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單向(xiang)(xiang)軸承(cheng)是在(zai)一個(ge)方向(xiang)(xiang)上(shang)可以自由轉動，而(er)在(zai)另一個(ge)方向(xiang)(xiang)上(shang)鎖死的一種(zhong)軸承(cheng)。單向(xiang)(xiang)軸承(cheng)也叫(jiao)超越離合器，只是根據行業不同，作用不同來命(ming)名(ming)的。


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