单项选择题
When order spare part, you can directly fall back on （）
A.the manager
B.your agent
C.the PSCO
D.the master
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单项选择题
The（） should be shut once upon FWE.
A.fuel oil
B.cooling water
C.air compressor
D.auxiliary blower -
单项选择题
The （）should be kept running for about half an hour after FWE.
A.crankcase lubricating oil pump
B.fuel oil pump
C.air compressor
D.auxiliary blower -
单项选择题
The （） should be gradually reduced after FWE.
A.fuel oil
B.cooling water
C.starting air
D.auxiliary blower
