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大神可知道有沒有零下40度到零下80還能正常工作的聯(lián)軸器,? |
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,,浙公網(wǎng)安備33038202004372號 )
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