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單向(xiang)(xiang)軸(zhou)(zhou)承(cheng)(cheng)是在一(yi)個方向(xiang)(xiang)上(shang)可以自(zi)由(you)轉動，而(er)在另(ling)一(yi)個方向(xiang)(xiang)上(shang)鎖(suo)死的一(yi)種(zhong)軸(zhou)(zhou)承(cheng)(cheng)。單向(xiang)(xiang)軸(zhou)(zhou)承(cheng)(cheng)也叫(jiao)超越離合器，只是根(gen)據行(xing)業不(bu)同(tong)，作用不(bu)同(tong)來命名(ming)的。


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