柴油发动机的故障一般分为电喷系统、机械、燃油管路方面的故障。分析了柴油发动机功率不足的原因，并提出检修方法。
Failures in diesel engines may be in their EFI system, mechanical system and fuel lines. The paper analyzes the causes of the under-capacity and carries out maintenance.
APU通常从左发动机供油管路获得燃油，如果交输活门打开，右发动机供油管路也可以供应apu燃油。
The APU usually takes its fuel supply from the LH engine-feed line, but when the cross-feed valve is open, the RH engine-feed line can also supply the APU with fuel.
APU通常从左发动机供油管路获得燃油，如果交输活门打开，右发动机供油管路也可以供应apu燃油。
The APU usually takes its fuel supply from the LH engine-feed line, but when the cross-feed valve is open, the RH engine-feed line can also supply the APU with fuel.
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