問題詳情
10. Which glossary below means a vertical or horizontal sliding steel gates operated by hydraulicor electric power either locally or remotely for sealing the openings of sub-division bulkheads?
(A) Watertight scuttle
(B) Watertight door
(C) Hull plating
(D) Framing
參考答案
答案：B
難度：適中0.467
書單：沒有書單，新增