A.specific gravity
B.viscosity
C.acid value
D.calorific value
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A.temperature
B.pressure
C.acid value
D.viscosity
A.piston
B.fuel injection pump
C.crankshaft
D.oil can
A.four-stroke
B.two-stroke
C.slow speed
D.reversible
A.clearance；calipers
B.sinking；bridge gauge
C.diameter；bridge gauge
D.clearance；lead wire
A.to stiffen
B.to soften
C.to loosen
D.to wear
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To determine if the lube oil filter elements need changing, （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
A thrust bearing is used with a propulsion diesel engine to （）.
The function of diesel engine piston compression rings is to （）.
In a simple mechanical governor, the （）.
A diesel engine piston ring face is in direct contact with the （）.
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?（）
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 （）.