The light detection module group is integrated on the bearing seat, and corresponds to the side surface of the slidingrod with the locating grooves.
光检测模组整合于承座上并且对应于滑动棒具有定位凹槽的 侧面。
2
In crosshead-type engines, the piston fastens to a vertical piston rod whose lower end is attached to a sliding member called a crosshead, which slides up an down in guides.