030 Machine, tool 机器, 用具 (jīqì, yòngjù)

engine
steam engine

10 引擎 [-] yǐnqíng (transliteration of engine) engine: 发动 ~ start an engine || 汽车/飞机 ~ car engine, plane engine || 蒸汽/喷气~ steam engine '
11 蒸汽机 [--機] zhēngqìjī (steam-vapor-engine) steam engine: 发明~ invent steam engine || 老式~ old-styled steam engine '

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