10. 送水管之常用管材不包括以下何種?
(A)Prestressed Concrete Cylinder Pipe, PCCP
(B)Ductile Iron Pipe, DIP
(C)Steel Pipe, SP
(D)Polyvinylchloride Pipe, PVCP

答案：登入後查看
統計： A(3), B(2), C(2), D(8), E(0) #2947830