In this paper, it researched the effect of coalmine safety regulation, based on the VAR methods, adopted the numbers from1978 to 2005.是什么意思_In this paper, it researched the effect of coalmine safety regulation, based on the VAR methods, adopted the numbers from1978 to 2005.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句