Metallic detergent and ashless dispersant additive system provides superior control of ring belt and piston skirt deposits, even under the most severe operating conditions.
金属洗涤剂和无灰分散剂系统提供的环带和活塞裙存款优越的控制，即使在最严酷的工作条件。
2
The engine piston, connecting rod and crankshaft convert this pressureinto motion for moving the car and operating other systems.
发动机活塞、连杆和曲轴将这种压力转换为运动，从而推动汽车行进并使其他系统运行。
3
The leakage of piston pairs has great influence on hydraulic pressure systems service behavior and operating efficiency.