7. ______ is a compartment onboard ships which is capable of containing the sea water to improve the stability or draught when necessary.
(A) Ballast tank
(B) Ballast hold
(C) Bunker hold
(D) Double hull
答案:登入後查看
統計: A(239), B(33), C(14), D(10), E(0) #3407476
統計: A(239), B(33), C(14), D(10), E(0) #3407476