coalfields
导读：coalfields读音音标英[]美[]
基本意思释义n.煤田( coalfield的名词复数 )短语及实用例句On a global scale, there are many coalfields suffered from spontaneous combust
基本意思释义n.煤田( coalfield的名词复数 )短语及实用例句On a global scale, there are many coalfields suffered from spontaneous combust
coalfields读音音标
英[]
美[]
基本意思释义
n.煤田( coalfield的名词复数 )
短语及实用例句
On a global scale, there are many coalfields suffered from spontaneous combustion of coal seam problems.
在全球范围内, 许多煤田都存在煤层自燃问题.
