油(you)(you)冷式電動(dong)(dong)(dong)滾(gun)筒(tong)(tong)這(zhe)種電動(dong)(dong)(dong)滾(gun)筒(tong)(tong)也稱(cheng)間(jian)接(jie)油(you)(you)冷式電動(dong)(dong)(dong)滾(gun)筒(tong)(tong)。電動(dong)(dong)(dong)滾(gun)筒(tong)(tong)內有一(yi)定的冷卻(que)油(you)(you)液，由于滾(gun)筒(tong)(tong)體不停(ting)地旋(xuan)轉，筒(tong)(tong)體上(shang)的刮(gua)油(you)(you)板將(jiang)油(you)(you)液不停(ting)地澆到電動(dong)(dong)(dong)機(ji)齒(chi)(chi)輪(lun)上(shang)，帶走電動(dong)(dong)(dong)機(ji)和齒(chi)(chi)輪(lun)工作(zuo)(zuo)時產(chan)生的熱量，把熱量傳(chuan)遞到滾(gun)筒(tong)(tong)體壁上(shang)，加速(su)電動(dong)(dong)(dong)機(ji)散熱，并對齒(chi)(chi)輪(lun)產(chan)生潤滑作(zuo)(zuo)用(yong)。油(you)(you)冷式電動(dong)(dong)(dong)滾(gun)筒(tong)(tong)的關鍵是電動(dong)(dong)(dong)機(ji)內部不允許進入油(you)(you)液。這(zhe)種類型的電動(dong)(dong)(dong)滾(gun)筒(tong)(tong)是目前國內常(chang)見(jian)的電動(dong)(dong)(dong)滾(gun)筒(tong)(tong)。

油(you)(you)浸式(shi)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)滾(gun)筒(tong)(tong)(tong)(tong)(tong)這種電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)滾(gun)筒(tong)(tong)(tong)(tong)(tong)也稱直接(jie)油(you)(you)冷(leng)(leng)式(shi)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)滾(gun)筒(tong)(tong)(tong)(tong)(tong)。顧名思(si)義，這種類型(xing)的電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)滾(gun)筒(tong)(tong)(tong)(tong)(tong)允(yun)許油(you)(you)液(ye)(ye)進(jin)入電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)機(ji)內部，直接(jie)與電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)轉(zhuan)子(zi)和定(ding)子(zi)繞組(zu)接(jie)觸，將它們工作(zuo)時產(chan)生(sheng)的熱量(liang)靠(kao)滾(gun)筒(tong)(tong)(tong)(tong)(tong)體(ti)不(bu)斷地旋轉(zhuan)而傳(chuan)遞到滾(gun)筒(tong)(tong)(tong)(tong)(tong)體(ti)壁上。因此，理論上油(you)(you)液(ye)(ye)傳(chuan)遞熱量(liang)的效(xiao)果比油(you)(you)冷(leng)(leng)式(shi)要(yao)(yao)好，而且免去了(le)對電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)機(ji)密(mi)封(feng)性能的要(yao)(yao)求。但是油(you)(you)浸式(shi)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)滾(gun)筒(tong)(tong)(tong)(tong)(tong)對冷(leng)(leng)卻潤滑(hua)油(you)(you)和電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)機(ji)的質量(liang)相對要(yao)(yao)求高(gao)了(le)。這種類型(xing)的電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)滾(gun)筒(tong)(tong)(tong)(tong)(tong)在國(guo)外用得較多(duo)。在港口(kou)和碼(ma)頭中(zhong)，法思(si)特電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)輥筒(tong)(tong)(tong)(tong)(tong)用于貨物的裝卸和運(yun)輸，提高(gao)了(le)港口(kou)運(yun)營的效(xiao)率。油(you)(you)冷(leng)(leng)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)輥筒(tong)(tong)(tong)(tong)(tong)選(xuan)型(xing)

如(ru)果(guo)(guo)發(fa)現(xian)(xian)軸承、密封(feng)件(jian)等(deng)部(bu)件(jian)出(chu)現(xian)(xian)磨損(sun)或損(sun)壞(huai)，需(xu)要(yao)(yao)及時更(geng)換(huan)(huan)。這些部(bu)件(jian)是電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)滾(gun)筒(tong)(tong)正常(chang)運(yun)轉的(de)重要(yao)(yao)組(zu)成部(bu)分，如(ru)果(guo)(guo)出(chu)現(xian)(xian)問題，會對整(zheng)個設備(bei)產生(sheng)影響。需(xu)要(yao)(yao)注意的(de)是電(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)壓(ya)。當電(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)壓(ya)不穩(wen)定時，會導致(zhi)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)滾(gun)筒(tong)(tong)的(de)轉速(su)和(he)轉矩不穩(wen)定，需(xu)要(yao)(yao)檢查電(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)壓(ya)是否正常(chang)。如(ru)果(guo)(guo)不穩(wen)定，需(xu)要(yao)(yao)及時調(diao)整(zheng)或更(geng)換(huan)(huan)電(dian)(dian)(dian)(dian)源，以(yi)保證電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)滾(gun)筒(tong)(tong)的(de)正常(chang)運(yun)行(xing)(xing)。然(ran)后是緊固螺(luo)栓(shuan)和(he)更(geng)換(huan)(huan)損(sun)壞(huai)配(pei)件(jian)。如(ru)果(guo)(guo)發(fa)現(xian)(xian)螺(luo)栓(shuan)松動(dong)(dong)(dong)(dong)或軸承、齒輪等(deng)配(pei)件(jian)損(sun)壞(huai)，需(xu)要(yao)(yao)及時緊固或更(geng)換(huan)(huan)。這可(ke)以(yi)保證整(zheng)個設備(bei)的(de)穩(wen)定性(xing)和(he)安(an)全性(xing)。調(diao)整(zheng)和(he)校(xiao)準也(ye)是排除電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)滾(gun)筒(tong)(tong)故(gu)障的(de)重要(yao)(yao)步驟。如(ru)果(guo)(guo)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)滾(gun)筒(tong)(tong)的(de)轉速(su)、轉向、行(xing)(xing)程等(deng)參數出(chu)現(xian)(xian)偏差或錯誤，需(xu)要(yao)(yao)進行(xing)(xing)調(diao)整(zheng)和(he)校(xiao)準。這可(ke)以(yi)保證電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)滾(gun)筒(tong)(tong)的(de)正常(chang)運(yun)轉，提(ti)高生(sheng)產效(xiao)率。福建小型(xing)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)輥筒(tong)(tong)性(xing)能在汽車制造行(xing)(xing)業中，法思特電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)輥筒(tong)(tong)用(yong)于輸送零部(bu)件(jian)和(he)組(zu)裝(zhuang)好(hao)的(de)車輛，提(ti)高了生(sheng)產效(xiao)率并降(jiang)低(di)了運(yun)輸成本。

帶式輸(shu)(shu)(shu)送(song)(song)機(ji)是用(yong)于(yu)散料輸(shu)(shu)(shu)送(song)(song)的(de)重要設(she)(she)備之一(yi)。其結構特(te)別簡單,運行平穩可(ke)靠(kao),能(neng)耗低,對(dui)(dui)環境污染小,使(shi)于(yu)集(ji)中(zhong)控制(zhi)和(he)實現(xian)自動化,管理和(he)維護方使(shi),在(zai)(zai)連續裝載的(de)條(tiao)件(jian)下可(ke)實現(xian)連續運輸(shu)(shu)(shu),因此,在(zai)(zai)國民經濟各部(bu)門特(te)別是煤炭和(he)礦山(shan)運輸(shu)(shu)(shu)系統中(zhong)應用(yong)很多。由于(yu)其適用(yong)范圍的(de)不(bu)(bu)斷擴(kuo)大(da)和(he)對(dui)(dui)其需求(qiu)量的(de)不(bu)(bu)斷增(zeng)加,帶式輸(shu)(shu)(shu)送(song)(song)機(ji)的(de)設(she)(she)計和(he)制(zhi)造技術也有(you)了長(chang)足(zu)發(fa)展。傳(chuan)動滾筒作為(wei)帶式輸(shu)(shu)(shu)送(song)(song)機(ji)的(de)重要部(bu)件(jian),起作用(yong)更(geng)(geng)是舉足(zu)輕重。眾(zhong)所周知，零部(bu)件(jian)的(de)工作特(te)性(xing)，對(dui)(dui)整(zheng)機(ji)性(xing)能(neng)有(you)重要影響,尤其對(dui)(dui)于(yu)些大(da)型、長(chang)距離的(de)輸(shu)(shu)(shu)送(song)(song)要求(qiu)，對(dui)(dui)滾筒的(de)要求(qiu)會(hui)更(geng)(geng)高，加之用(yong)戶(hu)和(he)使(shi)用(yong)環境的(de)千變萬化,帶式輸(shu)(shu)(shu)送(song)(song)機(ji)中(zhong)的(de)傳(chuan)動滾筒的(de)設(she)(she)計不(bu)(bu)僅(jin)還會(hui)涉及其初步設(she)(she)計和(he)等部(bu)件(jian)的(de)選型設(she)(she)計,由現(xian)今都是通過增(zeng)大(da)零件(jian)外形來增(zeng)大(da)輸(shu)(shu)(shu)送(song)(song)量，這樣不(bu)(bu)僅(jin)耗費大(da)量人力財(cai)力，得到的(de)產品還不(bu)(bu)一(yi)定(ding)能(neng)滿足(zu)要求(qiu)。

市場(chang)(chang)競爭(zheng)格(ge)局電動滾筒(tong)行業市場(chang)(chang)競爭(zheng)格(ge)局相對穩(wen)定，市場(chang)(chang)份額(e)主要由幾家(jia)大型廠商(shang)壟斷，這些廠商(shang)具有強(qiang)大的(de)(de)(de)生(sheng)產(chan)和(he)技術實力，同時在市場(chang)(chang)上積累(lei)了較高的(de)(de)(de)品牌熟(shu)悉度和(he)用戶口碑。此(ci)外(wai)，還有一(yi)些小型的(de)(de)(de)專業生(sheng)產(chan)企業和(he)自(zi)主品牌企業，它們(men)主要依靠價(jia)格(ge)優勢和(he)細分市場(chang)(chang)來獲取一(yi)定的(de)(de)(de)市場(chang)(chang)份額(e)。

市(shi)場需(xu)求(qiu)(qiu)分(fen)(fen)析：1.物(wu)(wu)(wu)流(liu)業(ye)的(de)(de)(de)(de)(de)快速(su)發展(zhan)推動(dong)(dong)了電動(dong)(dong)滾筒(tong)(tong)的(de)(de)(de)(de)(de)需(xu)求(qiu)(qiu)增長。隨著(zhu)電商、快遞等(deng)行(xing)業(ye)的(de)(de)(de)(de)(de)興起(qi)，物(wu)(wu)(wu)流(liu)業(ye)呈現出快速(su)增長的(de)(de)(de)(de)(de)態(tai)勢(shi)，這就需(xu)要(yao)大(da)量(liang)的(de)(de)(de)(de)(de)物(wu)(wu)(wu)流(liu)設(she)備來(lai)提升物(wu)(wu)(wu)流(liu)效率(lv)和(he)降低人(ren)力成本。2.自動(dong)(dong)化倉儲(chu)系(xi)統(tong)的(de)(de)(de)(de)(de)普及帶動(dong)(dong)了電動(dong)(dong)滾筒(tong)(tong)的(de)(de)(de)(de)(de)需(xu)求(qiu)(qiu)增長。隨著(zhu)倉儲(chu)行(xing)業(ye)的(de)(de)(de)(de)(de)發展(zhan)，越(yue)來(lai)越(yue)多(duo)的(de)(de)(de)(de)(de)企(qi)業(ye)開(kai)始(shi)采用(yong)自動(dong)(dong)化倉儲(chu)系(xi)統(tong)，而電動(dong)(dong)滾筒(tong)(tong)作(zuo)為自動(dong)(dong)化倉儲(chu)系(xi)統(tong)的(de)(de)(de)(de)(de)重要(yao)組(zu)成部(bu)分(fen)(fen)，受到了廣泛的(de)(de)(de)(de)(de)應用(yong)和(he)需(xu)求(qiu)(qiu)增長。3.對(dui)設(she)備安(an)全(quan)性和(he)可靠性要(yao)求(qiu)(qiu)的(de)(de)(de)(de)(de)提高推動(dong)(dong)了電動(dong)(dong)滾筒(tong)(tong)的(de)(de)(de)(de)(de)需(xu)求(qiu)(qiu)增長。隨著(zhu)企(qi)業(ye)對(dui)設(she)備安(an)全(quan)性和(he)可靠性要(yao)求(qiu)(qiu)的(de)(de)(de)(de)(de)不斷提高，越(yue)來(lai)越(yue)多(duo)的(de)(de)(de)(de)(de)企(qi)業(ye)開(kai)始(shi)選擇(ze)電動(dong)(dong)滾筒(tong)(tong)來(lai)替代傳統(tong)的(de)(de)(de)(de)(de)手動(dong)(dong)滾筒(tong)(tong)，以提高工作(zuo)效率(lv)和(he)工作(zuo)安(an)全(quan)性。電動(dong)(dong)輥筒(tong)(tong)在運(yun)行(xing)過程中具有較高的(de)(de)(de)(de)(de)能(neng)量(liang)轉化效率(lv)，能(neng)夠節(jie)省能(neng)源和(he)減少環境污染。

不銹(xiu)鋼(gang)(gang)：不銹(xiu)鋼(gang)(gang)是一種電(dian)動滾(gun)筒(tong)筒(tong)體(ti)(ti)材(cai)(cai)(cai)(cai)(cai)料(liao)，具(ju)有(you)較(jiao)(jiao)好的(de)(de)(de)(de)(de)(de)耐(nai)(nai)(nai)腐蝕(shi)(shi)性(xing)(xing)和(he)(he)(he)(he)耐(nai)(nai)(nai)磨性(xing)(xing)。通常(chang)采(cai)用304、316等不銹(xiu)鋼(gang)(gang)制作(zuo)(zuo)。不銹(xiu)鋼(gang)(gang)制成的(de)(de)(de)(de)(de)(de)筒(tong)體(ti)(ti)適(shi)用于腐蝕(shi)(shi)性(xing)(xing)環境(jing)、食品行(xing)業等特殊場合(he)，價格(ge)較(jiao)(jiao)高。在選(xuan)擇(ze)(ze)筒(tong)體(ti)(ti)材(cai)(cai)(cai)(cai)(cai)料(liao)時，需(xu)(xu)要考慮材(cai)(cai)(cai)(cai)(cai)料(liao)的(de)(de)(de)(de)(de)(de)強(qiang)度、耐(nai)(nai)(nai)磨性(xing)(xing)、耐(nai)(nai)(nai)腐蝕(shi)(shi)性(xing)(xing)、價格(ge)等因素，以(yi)確(que)保(bao)(bao)選(xuan)擇(ze)(ze)的(de)(de)(de)(de)(de)(de)筒(tong)體(ti)(ti)材(cai)(cai)(cai)(cai)(cai)料(liao)能夠(gou)滿(man)(man)足實(shi)際需(xu)(xu)求并保(bao)(bao)證(zheng)輸(shu)(shu)送(song)線的(de)(de)(de)(de)(de)(de)穩定性(xing)(xing)和(he)(he)(he)(he)安(an)全性(xing)(xing)。碳鋼(gang)(gang)鍍鋅：具(ju)有(you)耐(nai)(nai)(nai)壓(ya)性(xing)(xing)，能夠(gou)承受(shou)較(jiao)(jiao)大(da)的(de)(de)(de)(de)(de)(de)壓(ya)力(li)(li)(li)和(he)(he)(he)(he)摩擦力(li)(li)(li)。碳鋼(gang)(gang)鍍鋅材(cai)(cai)(cai)(cai)(cai)質的(de)(de)(de)(de)(de)(de)筒(tong)體(ti)(ti)具(ju)有(you)較(jiao)(jiao)好的(de)(de)(de)(de)(de)(de)耐(nai)(nai)(nai)磨性(xing)(xing)，可以(yi)在高負載和(he)(he)(he)(he)長時間(jian)使用下(xia)保(bao)(bao)持(chi)穩定的(de)(de)(de)(de)(de)(de)性(xing)(xing)能。相對于其他材(cai)(cai)(cai)(cai)(cai)質，碳鋼(gang)(gang)鍍鋅材(cai)(cai)(cai)(cai)(cai)質較(jiao)(jiao)輕，可以(yi)降低(di)電(dian)動滾(gun)筒(tong)的(de)(de)(de)(de)(de)(de)整體(ti)(ti)重(zhong)量(liang)，便于搬(ban)運和(he)(he)(he)(he)使用。包(bao)膠(jiao)(jiao)：包(bao)膠(jiao)(jiao)后(hou)的(de)(de)(de)(de)(de)(de)筒(tong)體(ti)(ti)表面具(ju)有(you)更好的(de)(de)(de)(de)(de)(de)摩擦性(xing)(xing)能，可以(yi)更好地與(yu)輸(shu)(shu)送(song)帶貼合(he)，提高輸(shu)(shu)送(song)帶的(de)(de)(de)(de)(de)(de)牽引力(li)(li)(li)和(he)(he)(he)(he)傳動效率(lv)。包(bao)膠(jiao)(jiao)層可以(yi)起到緩沖減(jian)震的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)用，減(jian)少輸(shu)(shu)送(song)帶與(yu)筒(tong)體(ti)(ti)之間(jian)的(de)(de)(de)(de)(de)(de)沖擊和(he)(he)(he)(he)振動，提高設(she)備的(de)(de)(de)(de)(de)(de)平(ping)穩性(xing)(xing)和(he)(he)(he)(he)使用壽命。在選(xuan)擇(ze)(ze)筒(tong)體(ti)(ti)材(cai)(cai)(cai)(cai)(cai)料(liao)時，需(xu)(xu)要考慮材(cai)(cai)(cai)(cai)(cai)料(liao)的(de)(de)(de)(de)(de)(de)強(qiang)度、耐(nai)(nai)(nai)磨性(xing)(xing)、耐(nai)(nai)(nai)腐蝕(shi)(shi)性(xing)(xing)、價格(ge)等因素，以(yi)確(que)保(bao)(bao)選(xuan)擇(ze)(ze)的(de)(de)(de)(de)(de)(de)筒(tong)體(ti)(ti)材(cai)(cai)(cai)(cai)(cai)料(liao)能夠(gou)滿(man)(man)足實(shi)際需(xu)(xu)求并保(bao)(bao)證(zheng)輸(shu)(shu)送(song)線的(de)(de)(de)(de)(de)(de)穩定性(xing)(xing)和(he)(he)(he)(he)安(an)全性(xing)(xing)。電(dian)動輥筒(tong)的(de)(de)(de)(de)(de)(de)減(jian)速器采(cai)用高效傳動設(she)計，可確(que)保(bao)(bao)傳動平(ping)穩、噪音低(di)。鎮江電(dian)動輥筒(tong)

在汽車制(zhi)造行(xing)業中，法思特電(dian)動輥筒(tong)在輸(shu)送線(xian)上承擔(dan)了高效且(qie)精確(que)的部(bu)件傳輸(shu)任務(wu)。油冷電(dian)動輥筒(tong)選型(xing)

法(fa)思(si)(si)特驅(qu)動(dong)(dong)科(ke)(ke)技(ji)(ji)（無錫）有(you)限公(gong)(gong)司(si)自成立(li)(li)(li)以來，始終致力(li)于(yu)電動(dong)(dong)輥筒和(he)(he)(he)驅(qu)動(dong)(dong)器的(de)研發(fa)(fa)、生產(chan)和(he)(he)(he)銷售。公(gong)(gong)司(si)秉持(chi)著創新(xin)(xin)(xin)、品(pin)(pin)(pin)質和(he)(he)(he)專業服務的(de)價值觀(guan)，不(bu)斷(duan)發(fa)(fa)展(zhan)(zhan)壯(zhuang)大(da)，成為(wei)行業的(de)佼佼者。在(zai)(zai)法(fa)思(si)(si)特驅(qu)動(dong)(dong)科(ke)(ke)技(ji)(ji)，我(wo)們深知(zhi)企(qi)業發(fa)(fa)展(zhan)(zhan)的(de)關鍵在(zai)(zai)于(yu)持(chi)續創新(xin)(xin)(xin)和(he)(he)(he)不(bu)斷(duan)改(gai)進。因此，我(wo)們投入(ru)大(da)量資源和(he)(he)(he)精力(li)開(kai)發(fa)(fa)新(xin)(xin)(xin)技(ji)(ji)術、優化產(chan)品(pin)(pin)(pin)設計(ji)，以滿足市(shi)場不(bu)斷(duan)變(bian)化的(de)需求。通過不(bu)斷(duan)推陳出(chu)(chu)新(xin)(xin)(xin)，我(wo)們不(bu)僅贏得了客戶的(de)認可，也為(wei)公(gong)(gong)司(si)在(zai)(zai)激(ji)烈的(de)市(shi)場競爭中樹立(li)(li)(li)了良好口(kou)碑。公(gong)(gong)司(si)愿(yuan)景是“為(wei)中國(guo)(guo)工業傳送(song)裝備國(guo)(guo)產(chan)化做出(chu)(chu)貢獻(xian)，建立(li)(li)(li)起中國(guo)(guo)人(ren)自己的(de)世界品(pin)(pin)(pin)牌”。為(wei)實(shi)(shi)現(xian)這一愿(yuan)景，法(fa)思(si)(si)特驅(qu)動(dong)(dong)科(ke)(ke)技(ji)(ji)將(jiang)堅(jian)定不(bu)移地走可持(chi)續發(fa)(fa)展(zhan)(zhan)之路，積極拓(tuo)展(zhan)(zhan)國(guo)(guo)際市(shi)場，持(chi)續提高產(chan)品(pin)(pin)(pin)品(pin)(pin)(pin)質和(he)(he)(he)服務水(shui)平。同時，我(wo)們將(jiang)加大(da)研發(fa)(fa)投入(ru)，推動(dong)(dong)公(gong)(gong)司(si)技(ji)(ji)術創新(xin)(xin)(xin)和(he)(he)(he)產(chan)業升(sheng)級，以實(shi)(shi)現(xian)企(qi)業的(de)長遠發(fa)(fa)展(zhan)(zhan)。法(fa)思(si)(si)特驅(qu)動(dong)(dong)科(ke)(ke)技(ji)(ji)堅(jian)信，只(zhi)有(you)不(bu)斷(duan)創新(xin)(xin)(xin)、追求品(pin)(pin)(pin)質，才能(neng)在(zai)(zai)市(shi)場競爭中立(li)(li)(li)于(yu)不(bu)敗之地。我(wo)們將(jiang)一如既(ji)往地努力(li)拼(pin)搏，為(wei)實(shi)(shi)現(xian)公(gong)(gong)司(si)愿(yuan)景和(he)(he)(he)行業的(de)發(fa)(fa)展(zhan)(zhan)做出(chu)(chu)更大(da)的(de)貢獻(xian)。油冷(leng)電動(dong)(dong)輥筒選(xuan)型

本文來自四(si)川精碳偉業環保(bao)科(ke)技(ji)有(you)限責任公司：//wasul.cn/Article/65a9899836.html