在銀(yin)(yin)行(xing)業務迅(xun)速(su)發展的(de)(de)(de)當下，銀(yin)(yin)行(xing)后臺(tai)服(fu)務器和(he)網絡設(she)備數(shu)量也是與(yu)日俱增。盡管大部(bu)分(fen)服(fu)務器都擁有(you)(you)自(zi)己的(de)(de)(de)本地時(shi)(shi)鐘，但(dan)這些時(shi)(shi)鐘在自(zi)己運行(xing)的(de)(de)(de)過程(cheng)(cheng)中，每(mei)天都會產生時(shi)(shi)間(jian)(jian)誤(wu)差。在長期運行(xing)過程(cheng)(cheng)中，時(shi)(shi)間(jian)(jian)偏差會越(yue)來越(yue)大，可(ke)能(neng)有(you)(you)數(shu)秒甚至數(shu)分(fen)的(de)(de)(de)偏差，進而導(dao)致銀(yin)(yin)行(xing)內部(bu)各服(fu)務器之(zhi)間(jian)(jian)的(de)(de)(de)時(shi)(shi)間(jian)(jian)各不相同，無法準確推斷出業務具體是在什么時(shi)(shi)候發生的(de)(de)(de)，誰先發生的(de)(de)(de)，進而影響(xiang)了交易的(de)(de)(de)公平、公正，也為銀(yin)(yin)行(xing)系(xi)統(tong)內部(bu)日后的(de)(de)(de)維護造成很多(duo)困難(nan)，舉步(bu)維艱。銀(yin)(yin)行(xing)醫院(yuan)gps子(zi)母鐘推薦成都引眾數(shu)字(zi)設(she)備有(you)(you)限公司。浙江工廠子(zi)母鐘廠家

鐵(tie)(tie)(tie)路(lu)(lu)時(shi)(shi)鐘(zhong)同(tong)步(bu)系(xi)(xi)統(tong)(tong)鐵(tie)(tie)(tie)路(lu)(lu)時(shi)(shi)鐘(zhong)為(wei)鐵(tie)(tie)(tie)路(lu)(lu)控(kong)制中(zhong)(zhong)心(xin)(xin)、車(che)(che)(che)站值班工作人員(yuan)以及乘客提(ti)(ti)供統(tong)(tong)一(yi)的(de)(de)(de)(de)(de)標(biao)準(zhun)時(shi)(shi)間信(xin)息(xi)，為(wei)通信(xin)各子系(xi)(xi)統(tong)(tong)、安全門(men)等系(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)中(zhong)(zhong)心(xin)(xin)設備提(ti)(ti)供了統(tong)(tong)一(yi)的(de)(de)(de)(de)(de)時(shi)(shi)間信(xin)號。鐵(tie)(tie)(tie)路(lu)(lu)時(shi)(shi)鐘(zhong)同(tong)步(bu)系(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)設置對(dui)保證(zheng)地鐵(tie)(tie)(tie)運(yun)行(xing)計時(shi)(shi)準(zhun)確、提(ti)(ti)高(gao)運(yun)營服(fu)務質量(liang)起著重要的(de)(de)(de)(de)(de)作用。鐵(tie)(tie)(tie)路(lu)(lu)時(shi)(shi)鐘(zhong)同(tong)步(bu)系(xi)(xi)統(tong)(tong)主(zhu)要構成是控(kong)制中(zhong)(zhong)心(xin)(xin)一(yi)級(ji)(ji)母鐘(zhong)和(he)車(che)(che)(che)站、車(che)(che)(che)輛(liang)段二級(ji)(ji)母鐘(zhong)兩級(ji)(ji)方式(shi)設置以及子鐘(zhong)組成，主(zhu)要的(de)(de)(de)(de)(de)功能(neng)是校(xiao)(xiao)時(shi)(shi)和(he)顯示(shi)時(shi)(shi)間。通常(chang)一(yi)級(ji)(ji)母鐘(zhong)設備接收gps或北(bei)斗衛星的(de)(de)(de)(de)(de)標(biao)準(zhun)時(shi)(shi)間信(xin)息(xi)進行(xing)自(zi)動(dong)校(xiao)(xiao)時(shi)(shi)，也(ye)可(ke)接入其它外部參考保持同(tong)步(bu)。同(tong)時(shi)(shi)產生準(zhun)確的(de)(de)(de)(de)(de)同(tong)步(bu)時(shi)(shi)間信(xin)息(xi)，通過(guo)傳輸(shu)通道向(xiang)車(che)(che)(che)站和(he)車(che)(che)(che)輛(liang)段的(de)(de)(de)(de)(de)二級(ji)(ji)母鐘(zhong)傳送，這(zhe)樣就可(ke)以統(tong)(tong)一(yi)校(xiao)(xiao)準(zhun)二級(ji)(ji)母鐘(zhong)的(de)(de)(de)(de)(de)時(shi)(shi)間信(xin)息(xi)；二級(ji)(ji)母鐘(zhong)系(xi)(xi)統(tong)(tong)接收一(yi)級(ji)(ji)母鐘(zhong)發出的(de)(de)(de)(de)(de)標(biao)準(zhun)時(shi)(shi)間信(xin)息(xi)，與一(yi)級(ji)(ji)母鐘(zhong)時(shi)(shi)間信(xin)息(xi)保持一(yi)致的(de)(de)(de)(de)(de)同(tong)時(shi)(shi)，輸(shu)出1路(lu)(lu)網絡輸(shu)出，通過(guo)網線接到核心(xin)(xin)交換機上，給(gei)整個系(xi)(xi)統(tong)(tong)分(fen)布的(de)(de)(de)(de)(de)各個子鐘(zhong)進行(xing)授時(shi)(shi)。云南GPS子母鐘(zhong)系(xi)(xi)統(tong)(tong)供應商成都引眾擁有(you)豐富的(de)(de)(de)(de)(de)時(shi)(shi)鐘(zhong)系(xi)(xi)統(tong)(tong)同(tong)步(bu)生產經驗(yan)，能(neng)實現100ps同(tong)步(bu)精(jing)(jing)度的(de)(de)(de)(de)(de)高(gao)精(jing)(jing)度時(shi)(shi)統(tong)(tong)技術，可(ke)提(ti)(ti)供定(ding)制化服(fu)務。

設備選型表(biao)序號名稱(cheng)(cheng)說(shuo)明1北斗(dou)主(zhu)時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)YZ-9820B母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，2U,19英(ying)寸2GPS主(zhu)時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)YZ-9820G母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，2U,19英(ying)寸4時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)監(jian)測管理系統(tong)(tong)軟件(jian)系統(tong)(tong)5數(shu)字式(shi)(shi)子鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)表(biao)盤指(zhi)針(zhen)(zhen)式(shi)(shi)子鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，配(pei)(pei)合母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)使(shi)用(yong)(yong)6指(zhi)針(zhen)(zhen)式(shi)(shi)子鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)數(shu)碼管/LED數(shu)字式(shi)(shi)子鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，配(pei)(pei)合母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)使(shi)用(yong)(yong)7無線(xian)轉發器433MHz免(mian)申(shen)請頻段，傳(chuan)輸(shu)距(ju)離2000米8控制器支持(chi)遙(yao)控器方式(shi)(shi)或墻壁嵌入式(shi)(shi)9天線(xian)及(ji)防(fang)雷模(mo)塊根據現(xian)場情(qing)況(kuang)選擇配(pei)(pei)置(zhi)不(bu)同(tong)長度的衛星天線(xian)設備選型表(biao)序號名稱(cheng)(cheng)說(shuo)明1北斗(dou)主(zhu)時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)YZ-9820B母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，2U,19英(ying)寸2GPS主(zhu)時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)YZ-9820G母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，2U,19英(ying)寸4時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)監(jian)測管理系統(tong)(tong)軟件(jian)系統(tong)(tong)5數(shu)字式(shi)(shi)子鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)表(biao)盤指(zhi)針(zhen)(zhen)式(shi)(shi)子鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，配(pei)(pei)合母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)使(shi)用(yong)(yong)6指(zhi)針(zhen)(zhen)式(shi)(shi)子鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)數(shu)碼管/LED數(shu)字式(shi)(shi)子鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，配(pei)(pei)合母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)使(shi)用(yong)(yong)7無線(xian)轉發器433MHz免(mian)申(shen)請頻段，傳(chuan)輸(shu)距(ju)離2000米8控制器支持(chi)遙(yao)控器方式(shi)(shi)或墻壁嵌入式(shi)(shi)9天線(xian)及(ji)防(fang)雷模(mo)塊根據現(xian)場情(qing)況(kuang)選擇配(pei)(pei)置(zhi)不(bu)同(tong)長度的衛星天線(xian)

醫(yi)(yi)(yi)(yi)院(yuan)(yuan)(yuan)(yuan)(yuan)對時鐘(zhong)(zhong)(zhong)系(xi)(xi)(xi)(xi)(xi)統(tong)的(de)(de)(de)要求智(zhi)(zhi)慧醫(yi)(yi)(yi)(yi)院(yuan)(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)標志(zhi)之一(yi)是(shi)(shi)數(shu)(shu)字(zi)化(hua)，它也帶來了醫(yi)(yi)(yi)(yi)院(yuan)(yuan)(yuan)(yuan)(yuan)服務和管理(li)方式的(de)(de)(de)重大變革。醫(yi)(yi)(yi)(yi)院(yuan)(yuan)(yuan)(yuan)(yuan)智(zhi)(zhi)能(neng)(neng)化(hua)系(xi)(xi)(xi)(xi)(xi)統(tong)是(shi)(shi)醫(yi)(yi)(yi)(yi)院(yuan)(yuan)(yuan)(yuan)(yuan)數(shu)(shu)字(zi)化(hua)建(jian)(jian)(jian)設(she)的(de)(de)(de)重要內容，傳統(tong)上(shang)主要包括智(zhi)(zhi)能(neng)(neng)建(jian)(jian)(jian)筑(zhu)(zhu)、機電(dian)設(she)備管理(li)和基礎設(she)施等，如今，在“物聯(lian)網”“云計算(suan)”“大數(shu)(shu)據”等新技術(shu)的(de)(de)(de)支持下(xia)，發展出更廣闊的(de)(de)(de)外延、更豐富的(de)(de)(de)內涵。目前醫(yi)(yi)(yi)(yi)院(yuan)(yuan)(yuan)(yuan)(yuan)智(zhi)(zhi)能(neng)(neng)化(hua)系(xi)(xi)(xi)(xi)(xi)統(tong)一(yi)般由網絡通信(xin)(xin)系(xi)(xi)(xi)(xi)(xi)統(tong)、安(an)全防范系(xi)(xi)(xi)(xi)(xi)統(tong)、多(duo)媒體音視(shi)頻系(xi)(xi)(xi)(xi)(xi)統(tong)、建(jian)(jian)(jian)筑(zhu)(zhu)設(she)備智(zhi)(zhi)能(neng)(neng)管理(li)系(xi)(xi)(xi)(xi)(xi)統(tong)、醫(yi)(yi)(yi)(yi)院(yuan)(yuan)(yuan)(yuan)(yuan)后勤(qin)運營智(zhi)(zhi)能(neng)(neng)管控系(xi)(xi)(xi)(xi)(xi)統(tong)等構成。設(she)計要求按照三級醫(yi)(yi)(yi)(yi)院(yuan)(yuan)(yuan)(yuan)(yuan)智(zhi)(zhi)能(neng)(neng)化(hua)系(xi)(xi)(xi)(xi)(xi)統(tong)標準(zhun)和規范設(she)計，以(yi)(yi)信(xin)(xin)息化(hua)基礎設(she)施建(jian)(jian)(jian)設(she)為(wei)，以(yi)(yi)信(xin)(xin)息資源建(jian)(jian)(jian)設(she)為(wei)，以(yi)(yi)應(ying)用(yong)(yong)系(xi)(xi)(xi)(xi)(xi)統(tong)建(jian)(jian)(jian)設(she)為(wei)重點，構建(jian)(jian)(jian)以(yi)(yi)醫(yi)(yi)(yi)(yi)療服務為(wei)的(de)(de)(de)信(xin)(xin)息交換(huan)平(ping)臺，以(yi)(yi)綜合管理(li)為(wei)的(de)(de)(de)信(xin)(xin)息服務平(ping)臺，以(yi)(yi)醫(yi)(yi)(yi)(yi)院(yuan)(yuan)(yuan)(yuan)(yuan)智(zhi)(zhi)能(neng)(neng)化(hua)綜合控制為(wei)的(de)(de)(de)可視(shi)化(hua)管理(li)平(ping)臺，形成以(yi)(yi)醫(yi)(yi)(yi)(yi)療、科(ke)研、管理(li)為(wei)一(yi)體的(de)(de)(de)信(xin)(xin)息網絡。時鐘(zhong)(zhong)(zhong)系(xi)(xi)(xi)(xi)(xi)統(tong)醫(yi)(yi)(yi)(yi)院(yuan)(yuan)(yuan)(yuan)(yuan)時鐘(zhong)(zhong)(zhong)系(xi)(xi)(xi)(xi)(xi)統(tong)主要為(wei)全院(yuan)(yuan)(yuan)(yuan)(yuan)提供統(tong)一(yi)的(de)(de)(de)準(zhun)確時間，其(qi)主要作用(yong)(yong)是(shi)(shi)為(wei)整個(ge)醫(yi)(yi)(yi)(yi)院(yuan)(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)計算(suan)系(xi)(xi)(xi)(xi)(xi)統(tong)及(ji)呼叫系(xi)(xi)(xi)(xi)(xi)統(tong)、BA系(xi)(xi)(xi)(xi)(xi)統(tong)、手(shou)術(shu)室控制系(xi)(xi)(xi)(xi)(xi)統(tong)以(yi)(yi)及(ji)其(qi)它弱(ruo)(ruo)電(dian)子(zi)系(xi)(xi)(xi)(xi)(xi)統(tong)提供標準(zhun)的(de)(de)(de)時間，以(yi)(yi)保證整個(ge)醫(yi)(yi)(yi)(yi)院(yuan)(yuan)(yuan)(yuan)(yuan)大樓弱(ruo)(ruo)電(dian)系(xi)(xi)(xi)(xi)(xi)統(tong)、安(an)全運行(xing)。引(yin)眾子(zi)母鐘(zhong)(zhong)(zhong)系(xi)(xi)(xi)(xi)(xi)統(tong)采用(yong)(yong)母鐘(zhong)(zhong)(zhong)與(yu)子(zi)鐘(zhong)(zhong)(zhong)二級組網方式，母鐘(zhong)(zhong)(zhong)是(shi)(shi)NPT時間服務器，從衛(wei)星(xing)接收授時信(xin)(xin)號，并顯示在子(zi)鐘(zhong)(zhong)(zhong)上(shang)。

醫(yi)(yi)(yi)院統一(yi)(yi)時(shi)(shi)(shi)(shi)鐘(zhong)(zhong)系統解(jie)決(jue)方(fang)案1、護(hu)士站：護(hu)士站，統一(yi)(yi)安裝(zhuang)(zhuang)單(dan)(dan)面(mian)壁(bi)(bi)掛(gua)日(ri)歷(li)時(shi)(shi)(shi)(shi)鐘(zhong)(zhong)(單(dan)(dan)面(mian)子(zi)鐘(zhong)(zhong))。2、手術室：通(tong)常使用(yong)(yong)單(dan)(dan)面(mian)壁(bi)(bi)掛(gua)安裝(zhuang)(zhuang)3聯時(shi)(shi)(shi)(shi)鐘(zhong)(zhong)，用(yong)(yong)于(yu)記錄(lu)，手術/麻醉/倒(dao)計(ji)(ji)/正計(ji)(ji)時(shi)(shi)(shi)(shi)間(jian)(jian)，便(bian)于(yu)醫(yi)(yi)(yi)護(hu)人(ren)員手術進(jin)度，協調安排。3、走廊：在(zai)每個(ge)(ge)通(tong)道中(zhong)間(jian)(jian)位置安裝(zhuang)(zhuang)雙面(mian)吊頂日(ri)歷(li)時(shi)(shi)(shi)(shi)鐘(zhong)(zhong)，距離(li)可(ke)按照(zhao)通(tong)道總長(chang)40-50米判斷,大于(yu)這個(ge)(ge)距離(li)，建議安裝(zhuang)(zhuang)2臺或者定制大—號時(shi)(shi)(shi)(shi)鐘(zhong)(zhong)。4、各科(ke)室：多數采(cai)用(yong)(yong)單(dan)(dan)面(mian)壁(bi)(bi)掛(gua)日(ri)歷(li)時(shi)(shi)(shi)(shi)鐘(zhong)(zhong)，可(ke)根據(ju)房間(jian)(jian)大小選(xuan)擇不同規格/款式，也可(ke)采(cai)用(yong)(yong)指(zhi)針式時(shi)(shi)(shi)(shi)鐘(zhong)(zhong)，不過現(xian)在(zai)時(shi)(shi)(shi)(shi)代需求(qiu)，為更(geng)方(fang)便(bian)快速查看(kan)，建議還是采(cai)用(yong)(yong)數字(zi)時(shi)(shi)(shi)(shi)鐘(zhong)(zhong)。5、計(ji)(ji)算(suan)機網(wang)絡(luo)：醫(yi)(yi)(yi)院網(wang)絡(luo)內，存在(zai)大量網(wang)絡(luo)設備、服務器(qi)和主機，它們承載了(le)醫(yi)(yi)(yi)院網(wang)中(zhong)的(de)計(ji)(ji)費、維護(hu)、管理(li)等功(gong)能，對時(shi)(shi)(shi)(shi)間(jian)(jian)的(de)準(zhun)確度需求(qiu)比較高(gao)，在(zai)各項單(dan)(dan)據(ju)上也要(yao)求(qiu)時(shi)(shi)(shi)(shi)間(jian)(jian)必須精細，要(yao)求(qiu)在(zai)網(wang)絡(luo)之(zhi)間(jian)(jian)傳遞(di)的(de)信息能夠在(zai)時(shi)(shi)(shi)(shi)間(jian)(jian)上保持(chi)高(gao)度一(yi)(yi)致。成(cheng)(cheng)都(dou)引(yin)眾數字(zi)設備有限公司(si)專業衛(wei)星(xing)時(shi)(shi)(shi)(shi)鐘(zhong)(zhong)同步(bu)15年+，有一(yi)(yi)套成(cheng)(cheng)熟的(de)區(qu)域時(shi)(shi)(shi)(shi)間(jian)(jian)或跨區(qu)域時(shi)(shi)(shi)(shi)間(jian)(jian)同步(bu)的(de)解(jie)決(jue)方(fang)案。上海(hai)水電站子(zi)母鐘(zhong)(zhong)功(gong)能

子(zi)母鐘(zhong)(zhong)推薦成都(dou)引眾(zhong)數字設備有(you)限公司(si)。浙江工廠子(zi)母鐘(zhong)(zhong)廠家(jia)

母(mu)(mu)鐘(zhong)(zhong)(zhong)特點：1、母(mu)(mu)鐘(zhong)(zhong)(zhong)時(shi)(shi)鐘(zhong)(zhong)(zhong)系(xi)(xi)(xi)統(tong)(tong)精度(du)高，同步快。2、的(de)(de)工業(ye)級(ji)元件，高水準(zhun)的(de)(de)電(dian)氣設(she)計，高密(mi)(mi)度(du)集成的(de)(de)電(dian)路結構，使(shi)裝置(zhi)擁有(you)優異的(de)(de)電(dian)氣隔離和電(dian)磁屏蔽(bi)表現，整機(ji)無可(ke)(ke)(ke)調節器件，極大提高了裝置(zhi)抗(kang)干擾性能與可(ke)(ke)(ke)靠性保障。3、母(mu)(mu)鐘(zhong)(zhong)(zhong)時(shi)(shi)鐘(zhong)(zhong)(zhong)系(xi)(xi)(xi)統(tong)(tong)提供一路TTL脈沖信號供時(shi)(shi)鐘(zhong)(zhong)(zhong)的(de)(de)準(zhun)確度(du)指(zhi)標(biao)測試。4、母(mu)(mu)鐘(zhong)(zhong)(zhong)時(shi)(shi)鐘(zhong)(zhong)(zhong)系(xi)(xi)(xi)統(tong)(tong)提供網口輸出(chu)，供電(dian)力(li)、電(dian)信、金(jin)融、廣電(dian)、交通、安(an)防行業(ye)校時(shi)(shi)服務。5、持單星(xing)授時(shi)(shi)模式，適用(yong)(yong)于收星(xing)效果(guo)不佳的(de)(de)情況，有(you)蘑菇頭天線(xian)及吸盤式天線(xian)可(ke)(ke)(ke)供選擇。6、前面(mian)板有(you)工作(zuo)狀態指(zhi)示，便(bian)于運行值班人員(yuan)的(de)(de)日常巡視。7、母(mu)(mu)鐘(zhong)(zhong)(zhong)時(shi)(shi)鐘(zhong)(zhong)(zhong)系(xi)(xi)(xi)統(tong)(tong)可(ke)(ke)(ke)通過(guo)數(shu)碼管顯示跟蹤(zong)到的(de)(de)有(you)效衛星(xing)個數(shu)，在線(xian)顯示裝置(zhi)的(de)(de)收星(xing)狀況及工作(zuo)狀態。8、母(mu)(mu)鐘(zhong)(zhong)(zhong)時(shi)(shi)鐘(zhong)(zhong)(zhong)系(xi)(xi)(xi)統(tong)(tong)采用(yong)(yong)全模塊化(hua)即插(cha)即用(yong)(yong)結構設(she)計，支持板卡熱插(cha)拔，配置(zhi)靈活，維護方便(bian)，同時(shi)(shi)為將來電(dian)廠(chang)(chang)/變(bian)電(dian)站改(gai)(gai)造擴建(jian)時(shi)(shi)增(zeng)加或更(geng)改(gai)(gai)對時(shi)(shi)信號接(jie)口提供了方便(bian)。9、母(mu)(mu)鐘(zhong)(zhong)(zhong)時(shi)(shi)鐘(zhong)(zhong)(zhong)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)機(ji)箱(xiang)(xiang)為進口鋁(lv)(lv)板鉻(ge)酸鈍化(hua)、拉(la)細(xi)絲啞銀，經(jing)過(guo)鈍化(hua)處理的(de)(de)鋁(lv)(lv)板，鋁(lv)(lv)板鉻(ge)酸鈍化(hua)使(shi)其表面(mian)形成了一層致密(mi)(mi)的(de)(de)鈍化(hua)膜可(ke)(ke)(ke)以達到抗(kang)腐蝕(shi)的(de)(de)目的(de)(de)，現有(you)黑色機(ji)箱(xiang)(xiang)和銀白色機(ji)箱(xiang)(xiang)可(ke)(ke)(ke)供用(yong)(yong)戶選擇。浙江工廠(chang)(chang)子母(mu)(mu)鐘(zhong)(zhong)(zhong)廠(chang)(chang)家

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