Every wheel and lever and piston suggested in the picture of the machine which links them operates inevitably to change their values, the one in terms of the other, interchangeably.

汽车图片中的车轮、控制杆和活塞相互连接，在运转的同时必然会彼此影响，改变各自的价值。

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You can not add assistant lever to the hand wheel. Clockwise turn of hand wheel means the closing of valve, otherwise it means opening.

操作时手轮顺时针旋转为阀关，反之为开，不得在手轮上再增加辅助杠杆。

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So the hydraulic automatic tilting gate with connecting lever and rolling wheel can ensure the stability of itself.

根据静态平衡理论分析研究了连杆滚轮式水力自动翻板闸门的静态稳定性。

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We decided to exclude the traditional list of "simple machines, " which includes the lever, pulley, wheel and wedge, since most other tools employ some form of simple machine--a hammer is basically a lever, and an axe is essentially a wedge.

FORBES: Methodology

He climbed behind the wheel and backed up to the crater and worked the lever that elevated the flatbed to spill tarmacadam onto the road.

NPR: Excerpt: 'Legends'