a coal field

 
       
  • 煤田; 煤矿区

a coal field的用法和样例:

例句

  1. It provides an important model for Jiaozuo coal mine and North China coal field.
    为焦作矿区及华北型煤田高产高效矿井建设提供参考模式。
  2. The Sulin mine area is a major host coal belt in the Huaibei coalfield.
    宿临矿区是淮北煤田的主要赋煤地带。

a coal field的海词问答与网友补充:

提问补充

目录
应用 附录 查词历史
    更多>>今日热词