The expression STAND-B Y ENGINE means ______.(1.0)
A.to get the engine ready B.to respond to the engine C.to maneuver the engine D.to change the engine正确答案A
The expression STAND-B Y ENGINE means ______.(1.0)
A.to get the engine ready B.to respond to the engine C.to maneuver the engine D.to change the engine正确答案A