... And for drawing out 却被你的光芒照得通亮 drawing out methane 抽放瓦斯 drawing out the pus 拔脓毒 ; 释义拔脓毒 ...
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通过对采空区抽放瓦斯试验进行分析，找出了试验失败的原因。
Having analysed the "test on the gas drainage under suction in goaf", the failure cause has been found.
采用高位钻孔和仰角钻孔抽放瓦斯技术，有效地防止了瓦斯超限。
High position bores and elevation bores methane drainage technique can prevent gas problem successfully.
因此，煤层气开发应充分研究和借鉴抽放瓦斯的原理和实践经验。
Therefore, the development of coal-bed gas should be studied according to the principle of gas drainage and its practice.
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