The authors have analysed the causes of coal and gas outburst accidents happened in the past years and put forward some countermeasures to prevent coal and gas outburst.是什么意思_The authors have analysed the causes of coal and gas outburst accidents happened in the past years and put forward some countermeasures to prevent coal and gas outburst.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句