单项选择题
A.submerged hulls B.quarters C.columns and upper structure D.submerged connecting structures
My drafts are 28 feet()and 29 feet aft.A.foreB.advanceC...
单项选择题My drafts are 28 feet()and 29 feet aft.
A.fore B.advance C.before D.beforehand
Keeping the draft at or below the load line mark will i...
单项选择题Keeping the draft at or below the load line mark will insure that the vessel has adequate().
A.ballast B.reserve buoyancy C.displacement D.rolling periods
It’ll affect neither the draft()the rotation of dischar...
单项选择题It’ll affect neither the draft()the rotation of discharging.
A.or B.and C.nor D.either