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單向軸(zhou)承是(shi)在一(yi)個(ge)方向上可(ke)以自由轉動，而(er)在另(ling)一(yi)個(ge)方向上鎖死的(de)一(yi)種軸(zhou)承。單向軸(zhou)承也叫超(chao)越離合器(qi)，只是(shi)根據(ju)行業不(bu)同(tong)，作用不(bu)同(tong)來命名的(de)。


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