An ocean towing bridle should（）.
A. have equal legs of sufficient length
B. have a large angle between the legs
C. be formed on a bight of cable through a ring
D. never be made up of chai
Rolls-Royce is world famous for（）
A. machine tools
B. household appliances
C. luxury automobiles
D. high-quality knives and hand tool
当APU的引气活门打开时EGT（）
A. 升高
B. 降低
C. 不变
D. 不能确定
微信支付 
支付宝支付