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大家好!如圖所示,,是機械彈簧式砂帶張緊機構(gòu),,紅圈6是什么東東?起什么作用,?謝謝,! |
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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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