main sea water

A simulated experiment on automatic governed system for converting frequency of main sea water pump of ship centre cooling system and research on its energy-saving;

船舶中央冷却系统主海水泵变频自动调速系统的模拟试验及其节能研究

According to engineering geology characteristic of the main dam of ZhengHai Reservoir,The dam foundation adopted High-Pressure spray-grouting technology, and the dam body adopted crack-grouting technology.

根据镇海水库主坝工程地质特点 ,坝基采用高压喷射灌浆技术 ,坝体采用劈裂灌浆技术 ,取得了很好的防渗效果 。