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。
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。
The leakage of piston pairs has great influence on hydraulic pressure systems service behavior and operating efficiency.
活塞副的泄漏对液压系统的工作性能和工作效率有很大影响；
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