pistons

1.that consists of piston barrel, pistons, retainer plate, swashplate and the control.

由筒、、滑靴护圈、旋转斜盘和排量控制装置组成。

2.Description: East Auto Parts Co.,Ltd ---- We are sencialized in types of fuel injection system parts(lunger,nozzle),and engine parts (supercharger,cylinder,pistons).

------我公司主营汽车燃油射系统配件（柱、油嘴等）和发动机配件（增压器、缸套、等）。

3.The process beginnng from powder burning to the ejection pistons pushing out the bomb and its moving back was analyzed applying classical interior ballistics and gasdynamics theory.

给出了对某型号挂弹钩的实例计算，计算结果与试验结果基本相符。