英语词汇“掩护支架采煤面顶板钻孔抽放瓦斯”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	掩护支架采煤面顶板钻孔抽放瓦斯
释义	掩护支架采煤面顶板钻孔抽放瓦斯 Gas Suction by Drilling Roof at Shield Supported Working Face
随便看	Ahsan ahsans Ahsanuddin Ahsanul Ahsan ul ahsanullah Ahsbahs ahsc AHSCT Ahse ahsen Ahsendorf AHSG ahsg gene ah-sha ah shih a hsi t'iao y?eh ah so ahsoka ah,so pure ah, so pure ahsorbent a hsorbing set ahsorption Ah,so what the manager likes beating is sake