（）is a series of trials done at sea to determine whether the ship has met the specifications of design, modification, or repair.

A ship designed for carrying goods requiring refrigerat...

单项选择题A ship designed for carrying goods requiring refrigeration is called （）.

（）is an opening for supplying seawater to condensers, p...

单项选择题（）is an opening for supplying seawater to condensers, pumps,etclocated in the hull below the waterline and having means for the attachment of associated piping.

（）is a function of the reactive / resistive characteris...

单项选择题（）is a function of the reactive / resistive characteristics of the load items and cannot be adjusted by manipulating the alternator control devices.