根據(ju)其(qi)工作(zuo)原理的(de)(de)不(bu)同，可(ke)(ke)分(fen)為膨脹(zhang)型(xing)、諧(xie)(xie)振(zhen)腔(qiang)型(xing)和干涉型(xing)。阻(zu)抗復合消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)具有諧(xie)(xie)振(zhen)腔(qiang)、膨脹(zhang)室、穿(chuan)孔屏等聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)過濾裝(zhuang)置，結(jie)合了阻(zu)抗消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)良好的(de)(de)中(zhong)(zhong)高(gao)頻(pin)(pin)(pin)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)特(te)性(xing)(xing)和阻(zu)抗消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)優良的(de)(de)低頻(pin)(pin)(pin)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)特(te)性(xing)(xing)，因此(ci)其(qi)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)頻(pin)(pin)(pin)帶寬，它是很(hen)常用(yong)(yong)的(de)(de)標準(zhun)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)系統(tong)之一。適用(yong)(yong)風速為6~8m/s，可(ke)(ke)達8~12m，可(ke)(ke)單獨使(shi)用(yong)(yong)或串聯使(shi)用(yong)(yong)。消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)效(xiao)果(guo)：低頻(pin)(pin)(pin)10~15dB/m，中(zhong)(zhong)頻(pin)(pin)(pin)15~25dB/m，高(gao)頻(pin)(pin)(pin)25~30dB/米，平均阻(zu)力系數(shu)0.4。根據(ju)空調，消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)彎頭和消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)靜(jing)壓(ya)(ya)箱均屬于消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)。二(er)、消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)的(de)(de)功能(neng)(neng)(neng)消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)(qi)是一種不(bu)僅能(neng)(neng)(neng)使(shi)氣(qi)流(liu)通過，而(er)且(qie)能(neng)(neng)(neng)有效(xiao)防止或減少(shao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)(neng)(neng)向外傳播(bo)的(de)(de)裝(zhuang)置。三、靜(jing)壓(ya)(ya)箱靜(jing)壓(ya)(ya)箱是送風系統(tong)降低動(dong)壓(ya)(ya)、增加靜(jing)壓(ya)(ya)、穩定(ding)氣(qi)流(liu)、減少(shao)氣(qi)流(liu)振(zhen)動(dong)的(de)(de)必要附(fu)件，可(ke)(ke)以使(shi)送風效(xiao)果(guo)更(geng)加理想。四、靜(jing)壓(ya)(ya)箱功能(neng)(neng)(neng)1、部分(fen)動(dong)壓(ya)(ya)可(ke)(ke)轉換為靜(jing)壓(ya)(ya)，使(shi)風吹得(de)更(geng)遠。2、可(ke)(ke)以降低噪(zao)音(yin)(yin)。3、風量均勻分(fen)配。4、靜(jing)壓(ya)(ya)箱可(ke)(ke)用(yong)(yong)于降低噪(zao)音(yin)(yin)，獲(huo)得(de)均勻的(de)(de)靜(jing)壓(ya)(ya)出風口，減少(shao)動(dong)壓(ya)(ya)損失(shi)。它還具有萬向節的(de)(de)功能(neng)(neng)(neng)。靜(jing)壓(ya)(ya)箱在通風系統(tong)中(zhong)(zhong)的(de)(de)應用(yong)(yong)可(ke)(ke)以提高(gao)通風系統(tong)的(de)(de)綜合性(xing)(xing)能(neng)(neng)(neng)。消(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)靜(jing)壓(ya)(ya)箱具有多(duo)種優點(dian)。鹽(yan)城擋板(ban)式消(xiao)(xiao)(xiao)(xiao)音(yin)(yin)靜(jing)壓(ya)(ya)箱

消聲(sheng)(sheng)(sheng)(sheng)器(qi)(qi)和靜(jing)壓(ya)箱(xiang)是(shi)通(tong)風(feng)系(xi)(xi)統中(zhong)使用(yong)(yong)較多的(de)(de)(de)元器(qi)(qi)件(jian)，消聲(sheng)(sheng)(sheng)(sheng)器(qi)(qi)是(shi)一(yi)(yi)種(zhong)既能允許氣(qi)(qi)流(liu)通(tong)過(guo)，又能有效(xiao)地阻止或減弱(ruo)聲(sheng)(sheng)(sheng)(sheng)能向外傳(chuan)播的(de)(de)(de)裝置。而靜(jing)壓(ya)箱(xiang)則(ze)是(shi)送風(feng)系(xi)(xi)統減少(shao)動(dong)壓(ya)、增加靜(jing)壓(ya)、穩(wen)定(ding)(ding)氣(qi)(qi)流(liu)和減少(shao)氣(qi)(qi)流(liu)振(zhen)動(dong)的(de)(de)(de)一(yi)(yi)種(zhong)必要的(de)(de)(de)配(pei)(pei)件(jian)，它可(ke)使送風(feng)效(xiao)果(guo)更加理想(xiang)。這(zhe)兩種(zhong)配(pei)(pei)件(jian)的(de)(de)(de)選擇和各(ge)個類型(xing)在(zai)實(shi)際(ji)工程中(zhong)的(de)(de)(de)應用(yong)(yong)優(you)劣如何，阻式消聲(sheng)(sheng)(sheng)(sheng)器(qi)(qi)：是(shi)通(tong)過(guo)吸聲(sheng)(sheng)(sheng)(sheng)材料來(lai)吸收(shou)聲(sheng)(sheng)(sheng)(sheng)能降低(di)噪(zao)音(yin)(yin)，一(yi)(yi)般(ban)的(de)(de)(de)微(wei)穿孔板消聲(sheng)(sheng)(sheng)(sheng)器(qi)(qi)就屬(shu)于這(zhe)個類型(xing)，一(yi)(yi)般(ban)是(shi)用(yong)(yong)來(lai)消除(chu)高(gao)(gao)、中(zhong)頻噪(zao)聲(sheng)(sheng)(sheng)(sheng)。但(dan)是(shi)由(you)于結構的(de)(de)(de)原因，在(zai)高(gao)(gao)溫、高(gao)(gao)濕、高(gao)(gao)速的(de)(de)(de)情況(kuang)下(xia)不適用(yong)(yong)。2、抗式消聲(sheng)(sheng)(sheng)(sheng)器(qi)(qi)：是(shi)通(tong)過(guo)改(gai)變截面來(lai)消聲(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)。我(wo)們(men)常用(yong)(yong)的(de)(de)(de)消聲(sheng)(sheng)(sheng)(sheng)靜(jing)壓(ya)箱(xiang)都是(shi)這(zhe)個原理。一(yi)(yi)般(ban)降低(di)中(zhong)、低(di)頻噪(zao)音(yin)(yin)。對(dui)風(feng)系(xi)(xi)統沒有具體(ti)的(de)(de)(de)要求(qiu)。3、阻抗復合(he)式：當然是(shi)結合(he)二者(zhe)的(de)(de)(de)結構原理。可(ke)以消除(chu)低(di)中(zhong)高(gao)(gao)頻噪(zao)音(yin)(yin)。但(dan)是(shi)對(dui)風(feng)系(xi)(xi)統的(de)(de)(de)要求(qiu)同阻式消聲(sheng)(sheng)(sheng)(sheng)器(qi)(qi)4、對(dui)于一(yi)(yi)般(ban)的(de)(de)(de)民用(yong)(yong)空調通(tong)風(feng)系(xi)(xi)統，選用(yong)(yong)阻抗復合(he)消聲(sheng)(sheng)(sheng)(sheng)器(qi)(qi)為(wei)好。泰州(zhou)阻性消聲(sheng)(sheng)(sheng)(sheng)器(qi)(qi)消音(yin)(yin)靜(jing)壓(ya)箱(xiang)定(ding)(ding)制消聲(sheng)(sheng)(sheng)(sheng)器(qi)(qi)靜(jing)壓(ya)箱(xiang)供(gong)應商,價格,消聲(sheng)(sheng)(sheng)(sheng)器(qi)(qi)靜(jing)壓(ya)箱(xiang)批(pi)發市場。

消(xiao)聲(sheng)靜壓(ya)(ya)箱(xiang)還具有(you)(you)(you)多(duo)種(zhong)應(ying)用(yong)領域(yu)。它可(ke)以(yi)用(yong)于醫(yi)療(liao)(liao)設(she)備(bei)、實(shi)(shi)驗室、工(gong)(gong)業生產(chan)(chan)線(xian)等各(ge)種(zhong)環境中(zhong)(zhong)。在(zai)醫(yi)療(liao)(liao)設(she)備(bei)中(zhong)(zhong)，消(xiao)聲(sheng)靜壓(ya)(ya)箱(xiang)可(ke)以(yi)有(you)(you)(you)效(xiao)(xiao)地減少手術室和(he)ICU中(zhong)(zhong)的(de)(de)噪(zao)音(yin)(yin)(yin)，提供安靜和(he)舒(shu)適的(de)(de)工(gong)(gong)作(zuo)環境，有(you)(you)(you)助于提高(gao)(gao)醫(yi)療(liao)(liao)人員的(de)(de)工(gong)(gong)作(zuo)效(xiao)(xiao)率和(he)患者的(de)(de)效(xiao)(xiao)果。在(zai)實(shi)(shi)驗室中(zhong)(zhong)，消(xiao)聲(sheng)靜壓(ya)(ya)箱(xiang)可(ke)以(yi)控制(zhi)實(shi)(shi)驗設(she)備(bei)的(de)(de)噪(zao)音(yin)(yin)(yin)和(he)靜壓(ya)(ya)，確保實(shi)(shi)驗結果的(de)(de)準(zhun)確性和(he)可(ke)靠性。在(zai)工(gong)(gong)業生產(chan)(chan)線(xian)中(zhong)(zhong)，消(xiao)聲(sheng)靜壓(ya)(ya)箱(xiang)可(ke)以(yi)減少機(ji)器和(he)設(she)備(bei)的(de)(de)噪(zao)音(yin)(yin)(yin)，提高(gao)(gao)工(gong)(gong)人的(de)(de)工(gong)(gong)作(zuo)環境和(he)生產(chan)(chan)效(xiao)(xiao)率。總之，消(xiao)聲(sheng)靜壓(ya)(ya)箱(xiang)是(shi)一種(zhong)專業的(de)(de)設(she)備(bei)，具有(you)(you)(you)高(gao)(gao)效(xiao)(xiao)的(de)(de)噪(zao)音(yin)(yin)(yin)消(xiao)除和(he)靜壓(ya)(ya)控制(zhi)能(neng)力。它可(ke)以(yi)應(ying)用(yong)于各(ge)種(zhong)環境中(zhong)(zhong)，提供安靜和(he)舒(shu)適的(de)(de)工(gong)(gong)作(zuo)環境，提高(gao)(gao)工(gong)(gong)作(zuo)效(xiao)(xiao)率和(he)產(chan)(chan)品質量。消(xiao)聲(sheng)靜壓(ya)(ya)箱(xiang)的(de)(de)廣泛應(ying)用(yong)將(jiang)為人們的(de)(de)生活和(he)工(gong)(gong)作(zuo)帶來更多(duo)的(de)(de)便(bian)利和(he)舒(shu)適。

消(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)：當噪聲(sheng)(sheng)(sheng)源在(zai)室內產生的(de)聲(sheng)(sheng)(sheng)壓(ya)級高于(yu)允許的(de)噪聲(sheng)(sheng)(sheng)標(biao)準(zhun)時，就(jiu)需要根(gen)據各(ge)頻帶要求消(xiao)(xiao)除的(de)聲(sheng)(sheng)(sheng)壓(ya)級選擇的(de)消(xiao)(xiao)聲(sheng)(sheng)(sheng)裝置，消(xiao)(xiao)除在(zai)室內的(de)噪聲(sheng)(sheng)(sheng)標(biao)準(zhun)之上的(de)那部分聲(sheng)(sheng)(sheng)能。消(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)是根(gen)據不同的(de)消(xiao)(xiao)聲(sheng)(sheng)(sheng)原理設計(ji)成(cheng)的(de)管道構件，按所采用的(de)消(xiao)(xiao)聲(sheng)(sheng)(sheng)原理可(ke)分為阻性(xing)消(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)、抗性(xing)消(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)、共振(zhen)消(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)和(he)原合(he)消(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)等類型。

靜(jing)壓(ya)(ya)(ya)箱：在(zai)設備(bei)出入口、多支風管匯(hui)合或(huo)分支處(chu)，為了保證氣流均勻(yun)，一般(ban)應設靜(jing)壓(ya)(ya)(ya)箱。靜(jing)壓(ya)(ya)(ya)箱的(de)工作原理是(shi)依據截(jie)面(mian)的(de)變化，將(jiang)氣流的(de)動壓(ya)(ya)(ya)轉變為氣流的(de)靜(jing)壓(ya)(ya)(ya)。靜(jing)壓(ya)(ya)(ya)箱一般(ban)用中厚度的(de)鋼板根據設計加工制(zhi)作，一般(ban)制(zhi)成矩形。

消(xiao)(xiao)聲(sheng)靜壓箱：在風(feng)機出口(kou)(kou)或空氣(qi)分(fen)布器前設置內(nei)貼(tie)有吸(xi)聲(sheng)材料的(de)靜壓箱，除了可以穩定氣(qi)流(liu)外，還具有消(xiao)(xiao)聲(sheng)的(de)作(zuo)用。消(xiao)(xiao)聲(sheng)靜壓箱的(de)消(xiao)(xiao)聲(sheng)量(liang)與(yu)(yu)吸(xi)聲(sheng)材料的(de)性能(neng)、箱內(nei)貼(tie)吸(xi)聲(sheng)材料的(de)面積以及出口(kou)(kou)側風(feng)管的(de)面積等因素(su)有關。風(feng)管消(xiao)(xiao)聲(sheng)器與(yu)(yu)靜壓箱的(de)區別在哪里?能(neng)夠(gou)替(ti)換用嗎？

排(pai)(pai)煙管道消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)是(shi)(shi)(shi)對(dui)(dui)中、高(gao)頻(pin)寬帶特性(xing)(xing)(xing)(xing)有較好(hao)(hao)效(xiao)果(guo)的(de)(de)(de)阻(zu)性(xing)(xing)(xing)(xing)吸音降噪(zao)原(yuan)理(li)，對(dui)(dui)低、中頻(pin)和(he)(he)脈動特性(xing)(xing)(xing)(xing)時有良好(hao)(hao)效(xiao)果(guo)的(de)(de)(de)抗(kang)性(xing)(xing)(xing)(xing)消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)降音原(yuan)理(li)以及微(wei)穿孔消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)和(he)(he)阻(zu)抗(kang)復合式消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)。消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)是(shi)(shi)(shi)利用(yong)聲(sheng)(sheng)(sheng)的(de)(de)(de)吸收、反射、干涉等原(yuan)理(li)，降低通風(feng)與空調系(xi)統中氣流噪(zao)聲(sheng)(sheng)(sheng)的(de)(de)(de)裝置。根據(ju)消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)原(yuan)理(li)的(de)(de)(de)不同可以分(fen)為(wei)阻(zu)性(xing)(xing)(xing)(xing)、抗(kang)性(xing)(xing)(xing)(xing)、共振型和(he)(he)復合型等。消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)種(zhong)類阻(zu)性(xing)(xing)(xing)(xing)消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)阻(zu)性(xing)(xing)(xing)(xing)消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)利用(yong)吸聲(sheng)(sheng)(sheng)材(cai)料的(de)(de)(de)吸聲(sheng)(sheng)(sheng)作(zuo)用(yong)而消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)的(de)(de)(de)。其構造是(shi)(shi)(shi)把(ba)吸聲(sheng)(sheng)(sheng)材(cai)料固(gu)定在氣流流動的(de)(de)(de)管道內(nei)壁，或(huo)按(an)一定方式排(pai)(pai)列在管道或(huo)殼體內(nei)構成阻(zu)性(xing)(xing)(xing)(xing)消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)器(qi)，吸聲(sheng)(sheng)(sheng)材(cai)料能(neng)(neng)(neng)夠把(ba)入(ru)射在其上的(de)(de)(de)聲(sheng)(sheng)(sheng)能(neng)(neng)(neng)部分(fen)地吸收掉(diao)(diao)。聲(sheng)(sheng)(sheng)能(neng)(neng)(neng)之(zhi)所以能(neng)(neng)(neng)被吸收，是(shi)(shi)(shi)由于(yu)吸聲(sheng)(sheng)(sheng)材(cai)料的(de)(de)(de)多(duo)孔性(xing)(xing)(xing)(xing)和(he)(he)松散性(xing)(xing)(xing)(xing)。當(dang)聲(sheng)(sheng)(sheng)波進入(ru)孔隙(xi)，引起(qi)孔隙(xi)中的(de)(de)(de)空氣和(he)(he)材(cai)料產生微(wei)小(xiao)的(de)(de)(de)振動，由于(yu)摩擦和(he)(he)粘滯阻(zu)力。使(shi)相當(dang)一部分(fen)聲(sheng)(sheng)(sheng)能(neng)(neng)(neng)化為(wei)熱能(neng)(neng)(neng)而被吸收掉(diao)(diao)。它對(dui)(dui)于(yu)高(gao)頻(pin)和(he)(he)中頻(pin)噪(zao)聲(sheng)(sheng)(sheng)效(xiao)果(guo)較好(hao)(hao)，但對(dui)(dui)低頻(pin)噪(zao)聲(sheng)(sheng)(sheng)消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)性(xing)(xing)(xing)(xing)能(neng)(neng)(neng)較差。新風(feng)與排(pai)(pai)風(feng)都需要裝消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)音器(qi)或(huo)者靜(jing)壓箱(xiang)嗎?臺州彎頭(tou)式消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)音靜(jing)壓箱(xiang)廠商(shang)

消聲靜壓箱是一種(zhong)非常實用的設(she)備(bei)，它在(zai)各個領(ling)域都有廣泛的應用。鹽(yan)城擋板式(shi)消音靜壓箱

一般選取在4米/秒左右，起個(ge)例(li)子，一個(ge)商場，風(feng)柜24000風(feng)量，靜(jing)壓(ya)(ya)(ya)(ya)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)尺寸為(wei)2000*600*600，貼消音(yin)棉(mian)，空調(diao)運行(xing)了一年(nian)，效果尚且可以靜(jing)壓(ya)(ya)(ya)(ya)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)主(zhu)要作用(yong)就是穩壓(ya)(ya)(ya)(ya)、降(jiang)噪。規范上(shang)好像有，靜(jing)壓(ya)(ya)(ya)(ya)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)內的(de)(de)風(feng)速不(bu)大(da)于2.5m/s，根據風(feng)量、風(feng)速就可以確定(ding)靜(jing)壓(ya)(ya)(ya)(ya)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)容積，靜(jing)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)一般是定(ding)做的(de)(de)。寬度方(fang)向不(bu)宜(yi)小500mm。通常靜(jing)壓(ya)(ya)(ya)(ya)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)尺寸比室內機略小即可。采(cai)用(yong)地板(ban)送風(feng)，它的(de)(de)靜(jing)壓(ya)(ya)(ya)(ya)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)采(cai)用(yong)兩種(zhong)，一種(zhong)是使用(yong)夾層作為(wei)靜(jing)壓(ya)(ya)(ya)(ya)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)，另一種(zhong)采(cai)用(yong)普通的(de)(de)靜(jing)壓(ya)(ya)(ya)(ya)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)然后(hou)在靜(jing)壓(ya)(ya)(ya)(ya)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)上(shang)接幾(ji)個(ge)風(feng)管到(dao)送風(feng)口。夾層也能做靜(jing)壓(ya)(ya)(ya)(ya)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)。鹽城擋板(ban)式(shi)消音(yin)靜(jing)壓(ya)(ya)(ya)(ya)箱(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)

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