1) lockring tang
锁环柄脚
2) Lepiota cepaestipes
肥脚环柄菇
4) lock tang
锁柄
5) locking knob
锁柄，锁钮
6) pedal cranks
脚蹬曲柄
1.
The bicycle s pedal cranks keep indifferent equilibrium state when they stay in the free state,so that they can bring about disturbance between people and machines.
自行车脚蹬曲柄在自由状态时 ,曲柄处于随遇平衡 ,产生人机干扰 。
补充资料：锁环
1.锁链。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条