单项选择题 Metal plates that cover the top of the hawsepipe are called（）.

单项选择题 Many vessels are provided with flume tanks，which also have a dump tank located under the flume tanks. In the event the ship is damaged，you could dump the flume tanks into the dump tank which would（）.

单项选择题 In ship construction，bulkheads in the quarters are generally（）.