单项选择题
Engine （） refers to the relative time of position of crank, at which each operation during the cycle is commenced and is completed.
A.timing
B.power
C.firing order
D.dead center
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相关考题
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单项选择题
Engine （） refers to the relative time of position of crank, at which each operation during the cycle is commenced and is completed.
A.timing
B.deviation
C.firing order
D.phase -
单项选择题
Engage the flywheel with the （）.
A.turning gear
B.motor
C.driving gear
D.driven gear -
单项选择题
Energy losses due to （） occur in every machine.
A.speed
B.friction
C.impact
D.atmosphere
