我们必须有效地减少向大气排放瓦斯，保护人类赖以生存的有限空间。
We must effectively reduce the discharging volume of gas into the air, to protect the limited space on which human beings depend to live.
介绍了盲巷排放瓦斯的常用方法及注意事项，对参加排放瓦斯人员具有借鉴价值。
Introduced a blind lane to exhaust the in common use method and regulation of the gas, exhaust gas a personnel to have value of draw lessons from towards attend.
数值分析和开挖试验表明，卸压槽卸压和排放瓦斯作用显著，合理的槽型为两帮竖槽。
Simulation and cutting test results show that pressure- relief slots efficiently relieves stress and drains out gas and the reasonable shape of pressure-relief slots is two-side slots.
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