spark levers造句

Place the spark lever at about the third or fourth notch of the quadrant.
They were able to determine the engine throttle was closed and the spark lever was in the advanced position.
Occasionally, when the spark lever was not properly set, the hand crank kicked back, causing serious injury : a broken wrist, arm, or shoulder.
The Series 80 and Series 90 used a 344 cu . in . version ( bore 3 5 / 16 in ., stroke 5 in . ) for 104 brake HP . Automatic vacuum-operated spark advance was another new feature replacing the steering column mounted spark lever although an emergency lever was now dash mounted.
It's difficult to find spark levers in a sentence. 用spark levers造句挺难的