3948| 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
已采用鋼制,謝謝
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點(diǎn)評
對對,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
謝謝
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點(diǎn)評
謝謝,已采用鋼制,沒有批量,直接機(jī)加工
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