蒸汽机

蒸汽机 [zhēng qì jī]

1. ■ steam engine; steamer

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常用词组

1. ■ 蒸汽机船 steam ship;

2. ■ 蒸汽机滑阀 trick valve;

3. ■ 蒸汽机示功器 {工} steam engine indicator