樓主: sjzrifdsa
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大家好!如下圖所示,1是主動(dòng)輪,2和4是張緊輪,3是從動(dòng)輪。對(duì)嗎?謝謝! |
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點(diǎn)評(píng)
有時(shí)候從動(dòng)輪就是張緊輪
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