阿摩線上測驗
14. Desalination plants is also called as _______.
(A) power generators
(B) fresh water generators
(C) heat exchangers
(D) intercoolers
答案：登入後查看
統計： A(13), B(109), C(21), D(16), E(0) #3550073
統計： A(13), B(109), C(21), D(16), E(0) #3550073
