It feeds oil to the cylinder of dry tofu strip hydraulic press via the hydraulic station, and presses the dry tofu strips with the pressing disc driven by a piston lever in the oil cylinder.
利用液压站给豆干液压机油缸供液压油，通过油缸活塞杆推动压盘，实现压制豆干的目的。
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。
An oscillating lever connected to an engine piston rod and used to transmit power to the crankshaft.
传动杆：可摆动的杠杆，与引擎之活塞相连，用以向机轴传送能量。
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