gas pre-drainage中文，gas pre-drainage的意思，gas pre-drainage翻译及用法

2026-08-12 15:27 浏览次数 19

gas pre-drainage

瓦斯抽放

gas pre-drainage 例句

英汉例句

  • Controlled blasting technique to improve gas pre-drainage effect in a coal mine

    提高煤矿瓦斯抽放效果的控制爆破技术

  • Study and analysis on gas pre-drainage results of coal mining face

    工作面瓦斯预抽效果考察与分析

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