阀形活塞泵 valve type piston pump
筒形活塞发动机 trunk piston type engine
盘形活塞 disk piston ; flat piston
筒形活塞柴油机 trunk piston diesel
锥形活塞 tapered piston
防热变形活塞 autothermic piston
塔形活塞 step piston ; [机] stepped piston
形活塞泵 V-type piston pump ; V-typepistonpumpV
环形活塞阀 annular piston valve
阶梯形活塞 stepped piston ; step piston
形活塞环的扭角对柴油机的性能有着显著的影响。
The twist angle of L shape piston ring directly influences the performance of diesel engine.
结果表明，与圆形、方形活塞的辐射远场相比，在声波频率、活塞面积相同条件下，六边形活塞声源的辐射远场相对比较均匀。
Through comparison, it shows that at the same value of frequency and size, the far field of hexagonal piston is more uniform than that of circular piston.
对活塞环仿形车削误差的统计分析表明：靠模仿形加工中存在系统误差。
The Statistical analysis of piston ring tracer cutting errors shows that there is a systematic error in the tracer cutting.
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