声音简介
The auxiliary machinery is much more in number.such as the generator, the boiler, the oil separator, the fresh water generator, pumps and so on. They are not as big as the main engine, but much in number.Without them, the ship can’t sail at sea.辅助机械是指机舱里除了主机以外的所有机械,例如发电机,锅炉,分油机,造水机,泵等等。它们不像主机那么大,但是数量上要多。没有他们船不能在海上航行。
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