Wedge locking device and unidirectional ratchet device are mainly used abroad and wedge lock device is mainly applied in China.
国外主要以楔面自锁结构和单向棘齿结构为主，国内主要以楔面自锁结构为主。
The block device in the invention can adopt one-way pawl-ratchet type on-off devices and one-way roller overrunning clutches.
本发明中的止回装置既可采用单向棘 爪棘齿式离合装置，也可以采用单向滚柱超越离合器。
The block device in the invention can adopt one-way pawl-ratchet type on-off devices and one-way roller overrunning clutches.
本发明中的止回装置既可采用单向棘 爪棘齿式离合装置，也可以采用单向滚柱超越离合器。
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