Practise of Outburst - prevention and Dust - laying Using Deep - hole High - pressure Water- infusion on Coal Walls of the Outburst- hazard Coal Face是什么意思_Practise of Outburst - prevention and Dust - laying Using Deep - hole High - pressure Water- infusion on Coal Walls of the Outburst- hazard Coal Face在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句