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有用過(guò)單向軸承的社友嗎,,倒退角度大嗎 |
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點(diǎn)評(píng)
皮帶是柔性的,。因?yàn)閯傂圆蛔阍斐傻摹_@樣的現(xiàn)象很常見(jiàn)
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點(diǎn)評(píng)
多謝指正,。是我搞錯(cuò)了
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點(diǎn)評(píng)
沒(méi)自鎖角度嗎
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