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The prime mover may be a steam-driven turbine, a hydraulic or water wheel, or an internal combustion engine. 原動(dòng)力轉(zhuǎn)換裝置可以是一個(gè)由蒸汽敺動(dòng)、液力敺動(dòng)或水輪敺動(dòng)的輪機(jī)，亦或是內(nèi)燃機(jī)。