超大空间、超多防护区应采用低压二氧化碳（CO2）灭火系统。
Ultra-large spaces and multi-protection areas should be protected by low pressure CO2 system.
计算了津洋口防护区丹水河的水环境容量，并据此提出水环境污染治理方案。
Water environmental capacity of Danshui River of Jinyangkou Protection Zone is calculated and based on this, the pollution control methods are put forward.
电力线的入线端(即建筑物入口端)以及建筑物内随后的各防护区处都应加以防护。
The ac power lines should be protected at the origin (building entry point) and at each of the succeeding protection zones within the building.
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