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單向(xiang)軸(zhou)(zhou)承是在(zai)一個方向(xiang)上(shang)可以自(zi)由轉動，而在(zai)另一個方向(xiang)上(shang)鎖死的一種軸(zhou)(zhou)承。單向(xiang)軸(zhou)(zhou)承也叫(jiao)超越離合器(qi)，只是根(gen)據行業(ye)不同，作用不同來命名的。


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