丙烷机启动时，在LO OIL INJECTION TEMP BYPASS TIMER定时器时间内，滑油注入温度低报警和关断信号将会（）A、报警B、被旁通C、引起系统报警D、关停丙烷机
丙烷机启动时，在LO OIL INJECTION TEMP BYPASS TIMER定时器时间内，滑油注入温度低报警和关断信号将会（）
- A、报警
- B、被旁通
- C、引起系统报警
- D、关停丙烷机
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单选题The purpose of the delivery check valve used in a diesel fuel injection jerk pump is to （）.Aassist in a quick cutoff of fuel injectionBallow oil backflow from the injector to the helixCreduce fuel oil pressure between injection strokesDmeter the quantity of fuel delivered
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