A.Proper timing
B.Accurate metering
C.Suitable injection rate
D.Suitable atomization rate
第1题
A.Setting point
B.Dew point
C.Flash point
D.Lean point
第2题
A.a separate motor
B.a cam
C.a generator
D.a chain
第3题
A.reciprocating at the piston pin, rotary at the crank pin
B.reciprocating at the crank pin, rotary at the piston pin
C.straight reciprocation
D.straight rotation
第4题
A.two position control
B.proportion control
C.reset control
D.rate control
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