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誰說中國人沒有創(chuàng)新,看看這個神器!絕對震撼! |
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點評
恩恩,大俠說的對啊。俺見過用砂帶粗磨、然后用桁磨輪精磨大油缸內(nèi)外圓的,都是在車床上加工的。
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點評
見多識廣
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Archiver|手機版|小黑屋|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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