mechanical lever interlocking 机械握柄联锁
mechanical lever frame 机械握柄架
mechanical stop lever 机械停车杆
mechanical point lever 机械式道岔握柄
mechanical air shutoff lever 机械式空气关闭杆
MECHANICAL ADVANTAGE OF LEVER 杠杆机械效益
mechanical l lever 机械杠杆
The second type is multi-functional bottle opener, bottle opener mechanical lever type;
第二种类型为多功能开瓶器、机械式杠杆类开瓶器；
Traditional mechanical lever weighing methods can cause a mechanical error, thus decrease the speed and precision.
传统机械杠杆的称重方法造成较大的机械误差，影响称量的速度和精度。
In other words, sprinters sacrifice the mechanical advantage of a long lever for the benefit of a stronger push-off.
换句话说，短跑选手牺牲了长杠杆所带来的力学优势从而获得了更为迅猛的起跑速度。
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