In this study a sand-box confined aquifer model is used to simulate gas transportative process in aquifer after abnormal source gas has formed by selecting argon dissolved gas as study gas.
借助于砂槽承压含水层模型，以氩溶解气为研究对象，模拟气体聚集或稀释的异常源产生后，其在含水层中的运移过程。
In the case of flame failure, the control box activates a "safety shut down" within two seconds of the opening of the gas valves are immediately re-closed.
如果点火失败，程控器指令“安全闭锁”二秒钟内打开的气阀马上关闭。
In the case of flame failure, the control box activates a "safety shut down" within two seconds of the opening of the gas valves are immediately re-closed.
如果点火失败，程控器指令“安全闭锁”二秒钟内打开的气阀马上关闭。
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