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單向(xiang)軸(zhou)承(cheng)(cheng)是(shi)在一(yi)個(ge)方向(xiang)上可(ke)以自由轉動，而(er)在另一(yi)個(ge)方向(xiang)上鎖死的一(yi)種軸(zhou)承(cheng)(cheng)。單向(xiang)軸(zhou)承(cheng)(cheng)也叫超越離合器，只是(shi)根據行(xing)業不(bu)同，作用不(bu)同來命名的。


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