When the counterbalance position moves vertically, the bearingpin is penetrated through a corresponding round hole of the slide way to adjust the height of the platform.
当配重位置发生垂直移动时,通过把承重销轴穿入滑道上对应的圆孔中,实现平台的高度调整。
2
The piston pinhole in the piston also serves as a bearing for the piston pin, which is used to connect the connecting rod.