Carboniferous and Permian strata bearing with coal spread widely in west Jiyuan,where coal seams are stable,and there are prospecting potential for coal field.
英
美
释义
济源西部地区有大面积的石炭、二叠系含煤地层分布,并且含煤层数多,煤层较为稳定,具有较好的找矿前景。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2025 海词词典(Dict.cn)
立即下载