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單向軸(zhou)承(cheng)是(shi)在一個方向上可以自由轉動，而在另一個方向上鎖死的一種軸(zhou)承(cheng)。單向軸(zhou)承(cheng)也叫超越(yue)離合(he)器，只(zhi)是(shi)根據行(xing)業不(bu)同(tong)，作用不(bu)同(tong)來命(ming)名(ming)的。


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