ratchet lift

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  • 棘轮式起落机构

ratchet lift的相关资料：

临近单词

ratcheting ratchet ratchet-pawl mechanism ratchet-shielding wall ratchet adjustment clutch ratchet-type grease cup ratchet installation axle ratchet wheel pawl weight ratchet wheel pawl bracket ratchet-and-pawl drive ratchet - agency problem ratchet wheel cover support
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