阿摩線上測驗
17. The handling capacity of the ______ in this terminal is 30 containers per hour.
(A) conveyer
(B) porter
(C) gantry crane
(D) escalator
答案：登入後查看
統計： A(98), B(38), C(551), D(26), E(0) #2334852
統計： A(98), B(38), C(551), D(26), E(0) #2334852
