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。