3524| 13
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設(shè)計(jì)一個(gè)滑輪組,,定滑輪用什么材料,? |
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點(diǎn)評(píng)
已采用鋼制,,謝謝
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點(diǎn)評(píng)
對(duì)對(duì),,我好想也見過用尼龍的,,但不知道具體是什么材質(zhì),材料性能怎么樣
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點(diǎn)評(píng)
謝謝
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點(diǎn)評(píng)
謝謝,已采用鋼制,,沒有批量,,直接機(jī)加工
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點(diǎn)評(píng)
[email protected] 先謝謝了,!
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