n.棘轮
n.[机]棘轮
A ratchet wheel with a handle is sheathed on the core bar, and a screw can be easily screwed down or unscrewed by both hands.───这种棘轮的每个齿都一样长，并且每个齿的末端都沿着轮周方向凸起。
In addition series can drive pump, ratchet wheel, valve and other mechanism to realize automatic operation.───此外,它还可以驱动唧筒 、 棘轮 、 阀门等其他机械装置,使之实现操作自动化.
Besides while uses special become shape cutting tool time, still can process sprocket or ratchet wheel.───此外当使用特殊成形刀具时, 尚能加工链轮或棘轮等.
Pulse electromagnetic DC motors, in their simplest form, consist of electromagnet with armature and ratchet wheel mounted on shaft. The right end of armature carries pawl.───在芯杆上套上一个带有扳把的棘轮，双手并用，就可以较轻松地拧紧或卸下螺丝。
ratchet wheels───n.[机]棘轮
at the wheel───在驾驶；掌舵；指挥
the wheel───车轮
water wheel───水轮；水车
ratchet effect───齿轮效应
sprocket wheel───链轮
brake wheel───[车辆]制动轮