单项选择题
A.chief engineer
B.the engineer
C.captain
D.any member of the engine department
单项选择题 When the vessel entering the dock, the first work that engineer should contact with the shipyard （）
单项选择题 When the dock is refilled with water after docking repair, the first work which should be done by engineers is （）
单项选择题 During the deck repair,（） should be measured firstly before tail shaft is drawn out.