geared ratchet mechanism 齿式棘轮机构
ratchet-pawl mechanism 棘轮棘爪机构
ratchet feed mechanism 棘轮进给机构
ratchet variable speed mechanism 棘轮变速机
A ratchet mechanism transfers the thread from spool to bobbin.
一种棘齿装置把线从线轴转到梭心上。
The inner and outer rings are preferably connected by means of a ratchet mechanism allowing for one way advancement there-between.
该内环和外环优选地通过允 许在它们之间的单向推进的棘齿机构来连接。
This paper mainly carries on the design of hydraulic wrench structure, including the design of the hydraulic cylinder, a ratchet mechanism design and strength check.
本文主要对大扭矩液压扳手结构进行设计，包括液压缸的设计，棘轮机构的设计及强度校核等。
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