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單向軸(zhou)承(cheng)是在(zai)一(yi)(yi)個方向上可以自由轉動，而在(zai)另(ling)一(yi)(yi)個方向上鎖死的一(yi)(yi)種軸(zhou)承(cheng)。單向軸(zhou)承(cheng)也叫超越離合器，只(zhi)是根據行業(ye)不同，作(zuo)用不同來(lai)命名的。


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