main sea

基本解释

We have used the ballast pump instead of the main sea water pump which was leaking , we are going to have the bad pump dismantled and repaired .
我们用压载水泵代替了漏水的海水泵，我们已准备将坏泵拆检修理。
The NWN prototype currently has two modules that consist of the main sea faring portion of the campaign and I'll probably stick to that model for the number of releases.
《无冬之夜》的原型目前有两个模组，包含了战役的主要海上部分，而我将坚持放出大量信息的宣传模式。
blog.sina.com.cn
The main sea routes of crude oil imported are summed up, and the conditions of main loading and discharging ports and fleets of carrying imported crude oil in China are introduced.
归纳了我国原油进口的主要航线，并介绍主要原油装卸港的港口情况及中国原油进口运输企业的船队基本状况。

Both its main air and sea commands have recently been moved to American bases in Japan, to improve co-ordination between the two.
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Two rivers, the Ama Dariya and the Syr Dariya, served as the sea's main water supply.
NPR: Book Takes Wide-Angle View of a Changing Planet