副机 meaning in English

auxiliary engine
auxiliary machinery
donkey engine
donkeyengine

Write down generator starting time into generator logbook
将发电机起动时间记入副机日志。
Snake : the drone ' s been shot to hell . it ' s up in flames
副机已经被轰至渣了，成了团火球。
Analysis and treatment to excessive exhaust temperatrue on an auxiliary engine
副机排温超高现象的分析与处理
Analysis to the cause and preventive measures of fracture of diesel engine crankshaft
某轮副机曲轴断裂事故原因分析及预防措施
What should be prepared before disassembly of cylinder for main engine / auxiliary engine
在拆卸主机和副机气缸之前应作什么准备工作？

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