coalfields

[ˈkəulfi:ldz]
  • 释义

  • 煤田( coalfield的名词复数 );

  • 双语例句
  • 1、

    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.

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