这把椅子下面有一个棘轮来调整高度。
无棘轮条款—租金可以下调！
这就是所谓的穆勒的棘轮。
而每个人都期望超越平均水平，这样就产生了棘轮效应。
Everybody expects to be above average, so you get this ratchet effect.
棘轮，棘爪，棘条这种机械装置中的爪状物，转轮或。
棘轮应变和棘轮应变幅都会随着平均应力和应力幅的增大而增大。
Ratcheting strain and strain range will increase with the average stress and stress range increasing.
提出了一种某型航空发动机高、低压转子棘轮器装置的设计方案。
A design of automatic equipment with high or low rotor for aircraft engine was proposed.
提出了一种某型航空发动机高、低压转子棘轮器装置的设计方案。
A design of automatic equipment with high or low rotor for aircraft engine was proposed.
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