单词triple-expansion-engine
网络: 三胀式蒸汽机；三联式引擎；三段膨胀引擎
In 1998, Bill followed his triple expansion engine with an even more detailed Corliss engine that also took first place.
在1998年，条例草案，其次是他的三重扩张的引擎与一个更详细的威廉姆森引擎，还放在首位。