樓主: 華子324
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開(kāi)式鏈傳動(dòng) |
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點(diǎn)評(píng)
螺桿的確是可以,但是鏈條對(duì)于惡劣的環(huán)境適應(yīng)性應(yīng)該更強(qiáng)
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