Moving the first lever pushes one of the piston or the cylinder in a first direction, and moving the second lever pulls the other of the cylinder or the piston in a second direction.
使第一杆运动而在第一方向推动活塞或缸之一，使第二杆运动而在第二方向拉动缸或活塞之另一。
2
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。
3
The mounting and demounting direction will be indicated and lever can save energy when mounting or demounting oil gas compressor governor and cylinder by human.