单词 | 棘轮 |
释义 | 〔ratchet〕A mechanism consisting of a pawl that engages the sloping teeth of a wheel or bar, permitting motion in one direction only.棘轮,棘爪:一种包含合于转轮或长条倾斜性齿轮中的爪状物的机械,使轮仅向一个方向运动〔ratchet〕The pawl, wheel, or bar of this mechanism.棘轮,棘爪,棘条:这种机械装置中的爪状物,转轮或长条〔pallet〕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 |
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