洁净气体 meaning in English

clear gas

The contractor shall forward the necessary sets of detailed drawings and other necessary documents on the fire - fighting and detection and alarm system to the owner for onward submission to the fire authorities of xxx
通过对合同的研究，首先范围清楚了，火灾报警系统、气体灭火系统（包括洁净气体和二氧化碳）、水喷淋系统、常规水消防、泡膜灭火系统、消防水泵设备和移动灭火器设备。
A reciprocating compressor using labyrinth seal ( labyrinth piston compressor , lpc ) can compress and transport gases in an oil - free way . it has many advantages , such as non - lubricated maintenance , no friction loss , no hot spots , minimal wear and tear , and so on
采用迷宫密封的往复式压缩机可以完成洁净气体的压缩和输送,具有压缩过程无润滑、无接触摩擦、气体无污染、安全可靠等优点。