发布时间:2025-01-22 21:11:32
所谓万向轴承,指的是利用球型连接实现不同轴的动力传送的机械结构;普通轴承,一般只传递单方向的力。
请问惠威m100890元和诺普生ns1800499元哪个听起来好一些
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