你可能感興趣的試題

Repair of structures on a ship in the vicinity of liquid mud handling areas presents what possible hazard?（）

A.Toxic gasses may be present
B.Flammable gasses may be present
C.Liquid muds may flood adjoining spaces
D.An oxygen-deficient atmosphere may be present

單項(xiàng)選擇題

Records which must be retained on board after report of casualty to a vessel include the（）.

A.tour reports
B.hull reports
C.machinery repair record book
D.deck equipment log