这个原理图的使用者是飞行员
A.The user of this schematic diagram is the mechanic B.The user of this schematic diagram is the pilot C.The user of this schematic diagram is the flight attendant.正确答案B
这个原理图的使用者是飞行员
A.The user of this schematic diagram is the mechanic B.The user of this schematic diagram is the pilot C.The user of this schematic diagram is the flight attendant.正确答案B
