4995| 24
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2種旋轉(zhuǎn)結(jié)構(gòu),有沒(méi)有優(yōu)劣之分,,需要注意什么 |
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點(diǎn)評(píng)
你要轉(zhuǎn)盤(pán)大小一樣,,負(fù)載一樣,,肯定左邊更穩(wěn)定啊,要比較肯定要在一定的前提下才有可比性
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