() is made of a boss with separated blades mounted into it.
A variable pitch propeller
B. A variable pitch nut
C. A fixed pitch parallel
D. A fixed pitch screw
查看答案
1MB的存储容量相当1024Byte的存储容量。
A. 正确
B. 错误
三大构成包括()
A. 平面构成
B. 立体构成
C. 色彩构成
D. 形态构成
737NG飞机发动机型号为()
A. CFM56-7B
B. CFM56-3C
CF34-3