coal seam gas英语标准发音:coal seam gas英式发音:美式发音:翻译中文煤层气coal seam gas - 基本释义[词典1]煤层气页岩气天然气和煤层气煤缝气coal seam gas - WEB词典Coal seam gas煤层气coal seam gas content煤层瓦斯含量dloping coal seam gas开发煤层气 参考资料: 1.百度翻译:coal seam gas2.有道词典:coal seam gas3.爱词霸:coal seam gas