1、Auxiliary power systems failed.
輔助電力系統(tǒng)失效。

2、Design of auxiliary power supply on electric locomotive and EMU
電力機(jī)車及電動車組輔助電源設(shè)計

3、The pilot turns on the battery and auxiliary power unit puts the throttles in idle and he's done.
飛行員接通電池和輔助動力部件，將油門推到怠速位置，他的啟動工作就完成了。

4、The hospital has an auxiliary power system in case of blackout.
這家醫(yī)院裝有備用發(fā)電系統(tǒng)以防燈火管制。

auxiliary power翻譯