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生產(chǎn)齒輪過程中,磨齒環(huán)節(jié)容易產(chǎn)生裂紋,是何原因?---請教 |
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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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