A.resisting oxidization
B.reducing friction
C.promoting moving speed
D.developing inertia
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A.give the pressure
B.give the contents
C.give the shape of the tank
D.give the accuracy level
A.inefficient cooling
B.a leaking air start valve
C.a clogged drain valve
D.a leaking air bottle
A.a flame trap
B.a relief valve
C.a fusible plug
D.a bursting cap
A.starting
B.stopping
C.to start
D.to stop
A.split pins
B.crankpins
C.dipsticks
D.circlips
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When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
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How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）