Then turn on the stove gas source switch. After the stove is lit up, turn off vent-pipe valve.
再打开灶头气源开关，灶头点燃后关闭排气管阀门。
The initial explosion, we now know, involved hydrogen gas that had been leaking into the trench from a large hole in the vent pipe.
我们现在已经知道，初始爆炸是氢气泄漏到管道沟导致的。
Installed vent under the bottom of bunker, increased nitrogen and air to purge the pipe reversely, and accumulation of combustible gas was reduced. Through the treatment, …
在料仓底部增设通风口，增加氮气、空气反吹管等，减少可燃气体积聚。
The structure of gas-water separator is reasonably designed to assure of effective separation of gas and water and free-flowing of vent pipe.
气水分离器结构设计合理，可保证气-水有效分离，保持排气管始终畅通。
The structure of gas-water separator is reasonably designed to assure of effective separation of gas and water and free-flowing of vent pipe.
气水分离器结构设计合理，可保证气-水有效分离，保持排气管始终畅通。
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