piston 雅思

Tell the foundry to cast another piston.

告诉铸铁间再铸一只。

Let's get the lathe to turn the new piston.

咱们用车床车[加工]新的吧。

The piston slides noiselessly up and down.

这个上下动，没有响声。

When assembling, leave the mark on body of piston rod frontward.

装配时，杆身上的记号要朝前。

The piston froze in the cylinder.

冻牢在汽缸里。

They use a piston engine instead.

他们改用发动机。

A piston links to a drive shaft by means of a connecting rod.

通过连杆与驱动轴相连。

Pressure energized lip-style piston and rod seals are wear compensating and prelubricated for millions of trouble free cycles.

高压带电唇式和杆密封的磨损补偿和麻烦百万边界润滑自由周期。

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）。

Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.

摘要采用化学成分分析、硬度测定、金相检验以及断口宏、微观分析等方法，对断裂的摩托车进行了分析。

The tribophysics of the cylinder liner—piston rings in an internal combustion engine is a typical tribological system with the reciprocating motion and the impacting motion.

内燃机缸套——环摩擦副系统是一个集往复、击于一体的典型的摩擦学系统。

Piston rings require an oil film between ring and liner and between ring and piston groove to seal against these high pressures and to prevent blowby.

为了密封，在环与连杆之间、环与或槽之间需要一层油膜以承受住这些高压、阻止漏气。

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。