A.broken down
B.stuck
C.oil leakage
D.carbonized
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A.water leakage
B.steam leakage
C.oil leakage
D.air leakage
A.pressed；to
B.pressurized；with
C.pushed；in
D.compressed；to
A.flame temperature
B.fuel oil
C.air movement
D.gas forces
A.Too larger
B.Too smaller
C.Excess
D.Excessive
A.An air compressor
B.An indicator cock
C.An air distributor
D.A safety valve
最新試題
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To determine if the lube oil filter elements need changing, （）.
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The minimum speed an engine must attain before ignition can occur depends upon （）.
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In a simple mechanical governor, the （）.