dead coal 中文意思是什麼

dead coal 解釋
不成焦煤
  • dead : adj 1 死的；無生命的，無生物的。2 無感覺的。3 （炭等）已熄滅的；無生氣的，呆滯的，停頓的；冷落的...
  • coal : n 1 煤，煤塊，煤堆。2 〈pl 〉〈美國〉（一堆）燒紅的煤。3 〈常 pl 〉〈英國〉（幾塊）供燃燒的煤。4 ...
  1. Decisively beaten in a general coal strike in 1894, the umw had only 10, 000 members and seemed dead by 1897。

    由於在1894年煤礦工人總罷工中遭到決定性的失敗，到1897年，美國礦工聯合會只剩下一萬會員，而且似乎名存實亡。
  2. All 166 miners trapped underground in a coal mine gas blast, were confirmed dead yesterday

    由於瓦斯爆炸而身陷煤礦底下的166名礦工昨天被證實已全部死亡
  3. The test results show that the drawing interval of 1. 5 m is helpful for controlling dead - unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top - coal

    試驗結果表明，放煤步距採用三采一放有利於控制頂板極鬆散細砂巖，降低放出頂煤的含砂率。
  4. In order to optimize the parameters of running top coal under different coal and gangue fragmental size, on the basis of measuring and analyzing the distribution character of top - coal fragmental size, running top coal was studied for the coal seam with dead - unconsolidated thin sandstone roof by loose medium model experiment

    摘要為了優化不同煤矸塊度條件下的放煤工藝參數，在實測分析頂煤破斷塊度分佈特點的基礎上，採用散體模型試驗的方法對煤層頂板為極鬆散細砂巖條件下的放煤工藝進行了研究。
  5. They belonged to the coal, the iron, the clay, as fish belong to the sea and worms to dead wood

    他們屬于煤鐵與闊土，正如魚之屬於水蟲之屬于腐木一樣。
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