A.in duplicate
B.in double
C.at twice
D.for two
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A.to reduce
B.to increase
C.and reduce
D.and increase
A.shim
B.gasket
C.washer
D.packing
A.lead
B.forged steel
C.alloy steel
D.aluminum alloy
A.cast iron
B.forged steel
C.stainless steel
D.aluminum alloy
A.lifted
B.reassembled
C.dismounted
D.disassembled
最新試題
The minimum speed an engine must attain before ignition can occur depends upon ().
Proper filtering and straining of fuel oil is important because the ().
A diesel engine piston ring face is in direct contact with the ().
Combustion knock occurring in a diesel engine can be caused by ().
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the ().
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as ().
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?()
A thrust bearing is used with a propulsion diesel engine to ().
Routine monitoring of a diesel engine should include ().
The function of diesel engine piston compression rings is to ().