4536| 13
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與軸承相配合的端面不磨有什么后果,? |
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點(diǎn)評(píng)
應(yīng)當(dāng)說垂直度影響不大,。
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點(diǎn)評(píng)
是蝸桿啦
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點(diǎn)評(píng)
一般場(chǎng)合沒有任何問題,。
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