Through three links of design, construction and monitoring, a closed cycle system is set up for the monitoring of stability of high slope of three Gorges Prject permanent lock.
通过设计、施工、监测三大环节，建立闭循环系统，对三峡永久船闸高边坡进行稳定性控制。
This system is the closed cycle cooling water system applicable for turbine and boiler's auxiliary machines.
该系统为闭式环路冷却水系统，用于汽机及锅炉辅机。
By means of an example of controlling the tail gas from the production of arsenic acid, this paper introduced the pretreatment, desulfurization and wastewater closed cycle of the control system.
通过砷酸生产中含硫尾气治理实例，介绍治理系统的预处理、 脱硫及废水封闭循环。
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