A.Cylinder head valves
B.Ports
C.Turbo chargers
D.Bleeder valves
第1题
A.Light blue haze
B.Light brown haze
C.Light gray haze
D.Perfectly clear
第2题
A.A defective ignition system
B.Low lube oil level
C.Weak valve springs
D.Too heavy a load
第3题
A.A pawl,forced by a spring mechanism,will engage the teeth of the bull gear and hold the load
B.An electromagnetic brake will hold the load where it is suspended
C.The load will fall rapidly to the deck unless the foot brake is engaged
D.The load will slowly lower to the deck under control of the drag of the winch motor
第4题
A.Discharge a CO2 extinguisher in the air inlet
B.Pull off the distributor cap
C.Secure the jacket water
D.Secure the starting air supply valve
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