阿摩線上測驗
35. Which valve is used to make a right-angle turn in a line and is basically the same in
construction and application as globe valve?
(A) Globe valve
(B) Gate valve
(C) Angle valve
(D) Check and stop valve
答案：登入後查看
統計： A(5), B(5), C(15), D(7), E(0) #3215989
統計： A(5), B(5), C(15), D(7), E(0) #3215989
