APU exhaust is _____(沿管道流动/输送) overboard through the _____(尾锥)tail cone of the airplane. What is the part of speech of "duct"?
A.ducted, cone B.duct, tail C.pipe, taicone D.ducted, tailcone正确答案D
APU exhaust is _____(沿管道流动/输送) overboard through the _____(尾锥)tail cone of the airplane. What is the part of speech of "duct"?
A.ducted, cone B.duct, tail C.pipe, taicone D.ducted, tailcone正确答案D