耐火救生艇在实验演习喷洒水操作后应该将洒水管系封闭好。
A list signal of one white light indicates that the vessel is （）. on an even keel。 listing about 1° to the side the light is displayed on。 listing over 5° With the light displayed on the high side。 listing，and the chutes should be directed to the side where the light is displayed。
接头和馈线进水主要是由于对接头处进行防水处理没有按规范进行，进水会造成（），影响（）。
The pistons are cooled by oil supplied from the forced （） system. fresh water。 sea water。 lubrication。 fuel oil。
简述血浆胶体渗透压降低。
The piston cooling system may employ similar components, except that （） is used instead of a head tank.
