coal vein

 
  • 煤层

coal vein的用法和样例:

例句

  1. Fengfeng coal veins with a lingering historical roots, is the earliest one of the development and utilization of mine has been 130 years of mining history.
    峰峰煤矿具有绵长的历史根脉,是我国最早开发利用的矿区之一,至今已有130多年开采历史。
  2. We need to replenish our stocks of coal.
    我们需要再次补充煤的储备。
  3. She piled on more coal before the fire go out.
    在火熄灭之前她又加上些煤。
  4. I add the coal on the flame continuously.
    我不断朝火里添加煤炭。
  5. They are ventilating the sap of a coal mine.
    他们正在使煤矿坑道通风。
  6. Prohibition was laid on the export of coal.
    禁止煤炭输出。
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