While removing a briquette using a recently installed pneumatic system, the operator put the system into motion while at the same time holding the area where the piston is located.
While removing a briquette using a recently installed pneumatic system, the operator put the system into motion while at the same time holding the area where the piston is located.
使用新近安装的压缩空气制动系统移动铝块的时候，该操作员将系统启动，同时抓住了这一区域。