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soft coal

  • 烟煤：指一种黑色或棕色的煤，质地较软，燃烧时产生大量烟雾和火花。

双语例句

  1. The combustion characters of petroleum coke were between those of soft coal and anthracite .
    石油焦的燃烧特性处于烟煤和无烟煤之间。
  2. However, with the extension of mining depth, the distribution of soft coal seam has been expanding.
    然而，随着矿井开采范围的延深，松软煤层的分布范围呈不断扩展趋势。
  3. The II3123 face is a light type caving face of three-soft coal seam. the roof is cracked, sloughing and roof fall often occur.
    前言： 石台煤矿II3123工作面为“三软”煤层轻放工作面，顶板破碎易掉，片帮、冒顶时常发生。

网络短语

  • soft coal seam
    松软煤层
  • soft coal level
    松散煤层
  • soft coal layer
    无冲击倾向
  • soft coal entry
    软岩煤巷
  • sulphur soft coal
    高硫烟煤

同义词

bitumitebituminous coal
[矿物]烟煤

英英释义

  • n.rich in tarry hydrocarbons; burns readily with a smoky yellow flame