单项选择题
The mean draft of a ship is the draft（）.
A.midway between the forward and aft draft marks B.at the center of flotation C.at the load line D.at the center of buoyancy
单项选择题 The ISM code is part of（）.
单项选择题 （）is on the panel of radar.
单项选择题 The loading of the ship must be done in accordance with（）.
