但以前是用棘轮机构来实现的，并且需要重而坚固的部件，比如离合器。
But it was previously done using a ratcheting mechanism which required heavy solid parts such as a clutch.
在一种同步离合器中，棘轮棘爪机构是实现机械轮齿同步啮合的关键部件。
The ratchet-pawl mechanism is the important part to ensure gears being in mesh properly in a synchronizing clutch.
在一种同步离合器中，棘轮棘爪机构是实现机械轮齿同步啮合的关键部件。
The ratchet-pawl mechanism is the important part to ensure gears being in mesh properly in a synchronizing clutch.
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