| 单词 | steam engine |
| 释义 | steam engine (once / 4795 pages) n WORD FAMILY steam engine: steam engines USAGE EXAMPLESA plant’s protective system is like a pressure relief valve in a steam engine. Seattle Times(Nov 17, 2016) The locomotive is the last steam engine built for Union Pacific Railroad and was delivered to the company in 1944. Washington Times(Oct 16, 2016) But steam engines still live on in farm lore and in the hearts of many people who make their living off the land. Washington Times(Sep 28, 2016) n external-combustion engine in which heat is used to raise steam which either turns a turbine or forces a piston to move up and down in a cylinder Hyper external-combustion engine a heat engine in which ignition occurs outside the chamber (cylinder or turbine) in which heat is converted to mechanical energy |
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