1、On Suppressing EMI Caused by Spark in Piston Engine of RPV
活塞發(fā)動機火花電磁干擾抑制方法研究

2、A piston engine is said at best to be only 33% efficient.
一臺活塞式發(fā)動機被充其量說只成為有效率33%。

3、They use a piston engine instead.
他們改用活塞發(fā)動機。

4、Next, in view of swings the piston engine overall structure to carry on the design.
其次，針對擺動活塞式發(fā)動機的總體結(jié)構(gòu)進行設(shè)計。

5、The powerplant of propeller aircraft is composed of two main parts, piston engine and propeller.
小型螺旋槳飛機的動力裝置一般由活塞式發(fā)動機和螺旋槳兩個主要部分組成。

piston engine翻譯