1. a hinged device that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward. 
   推动车轮向前或阻止向后移动的嵌在棘齿凹巢的铰链装置。
2. A hinged or pivoted device adapted to fit into a notch of a ratchet wheel to impart forward motion or prevent backward motion. 
   掣爪，棘爪一种枢轴或转轴器械，能与齿轮缺口或齿间吻合来前进或防止后移
3. A projection on a machine part, such as a pawl for controlling the motion of a ratchet wheel in a watch escapement, that engages the teeth of a ratchet wheel to convert reciprocating motion to rotary motion or vice versa. 
   棘爪机器部件上的一个突出部分，例如在一个观察棘轮装置中控制棘轮运转的棘爪，用来衔接棘轮的齿，以将往复运动转换为旋转运动；反之亦然

查看更多例句 相关情景会话

• 1. 救护车
  Prowl 警车...ratchet 救护车...Wheeljack 千斤顶
  bbs.e-lsw.com - 相关搜索
• 2. 棘轮
  raspberry [none] 树莓...ratchet [5rAtFit] 棘轮...rattle [5rAtl] 震动，疾走
  sifang.myanyp.cn - 相关搜索
• 3. 棘齿
  棘轮和爪 ratchet and pawl...棘齿 ratchet...棘齿弓钻 ratchet brace
  blog.sina.com.cn - 相关搜索
• 4. 棘齿城
  Orgrimmar 奥格瑞玛...ratchet 棘齿城...Redrock Mesa 红巖台地
  pcgg.com.cn - 相关搜索