coal resources exploration

• 煤炭资源勘探

coal resources exploration的用法和样例：

例句

1. Overpressure is an important issue in the research and exploration of petroleum system.
   异常高压带是含油气系统研究和资源勘探领域的热点之一。
2. This is the first time that companies have been able to bid for exploration rights for oil resources under the jurisdiction of East Timor.
   这是东帝汶首次允许公司对其管辖下的石油资源勘探权进行投标。