单项选择题
A.waterline B.centerline C.frame D.freeboard
What’s “吃水” in English?（）A.Draft.B.Draught.C.A+BD.Freeb...
单项选择题What’s “吃水” in English?（）
A.Draft. B.Draught. C.A+B D.Freeboard.
The （）(天窗) admits light and fresh air through.A.skyligh...
单项选择题The （）(天窗) admits light and fresh air through.
A.skylight B.bulwark C.keel D.bulkhead
The ship’s centerline is the （）(龙骨).A.frameB.bulwarkC.k...
单项选择题The ship’s centerline is the （）(龙骨).
A.frame B.bulwark C.keel D.bulkhead
