4.Working Conditions, high-pressure cylinder pad can be enclosed gas and lubricants, but the cooling water sealing performance poor putters in the back room near the body may have leakages.

• 4.；工作工况下，气缸垫能密封高压燃气和润滑油，但是对冷却水的密封性能较差，在机体后侧推杆室附近可能有渗水现象。