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單項(xiàng)選擇題

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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單項(xiàng)選擇題

The（） should be shut once upon FWE.

A.fuel oil
B.cooling water
C.air compressor
D.auxiliary blower

單項(xiàng)選擇題

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

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