Use a pressure reducing regulator or separate control valve to safely discharge gas from cylinders.

使用减压调整器或单个的控制阀来安全地从钢瓶中排出气体.

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But knowing coal seams can discharge gas in atmosphere, this possess practical significance in gas prevention.

而在矿井瓦斯防治中, 更具有实际意义的是煤层在常压下可解吸(即能够涌出)的瓦斯量.

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Use a pressure - reducing regulator or separate control valve to discharge gas from cylinder.

使用减压调整器或单独的控制阀来从钢瓶中提取气体.

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This invention discloses a method for calcining limestone by using the discharge gas from ammonia synthesis.

一种以合成氨弛放气为燃料煅烧石灰石的方法.

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