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單向(xiang)軸承(cheng)是(shi)(shi)在(zai)一(yi)個(ge)(ge)方向(xiang)上(shang)可以自由轉動，而在(zai)另一(yi)個(ge)(ge)方向(xiang)上(shang)鎖(suo)死的一(yi)種軸承(cheng)。單向(xiang)軸承(cheng)也叫超越(yue)離合器，只是(shi)(shi)根據行業不同，作用不同來命名的。


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