煤的

• The merchant received a large order for coal
  那个商人收到了一份购买许多煤的定单。
• The development of electrochemistry desulfurization of coal
  煤的电化学脱硫及其进展
• Measurement and test methods of cutting resistance for coal
  煤的截割阻抗的测试方法
• Mechanism of inorganic sulfur removal by electrolysis
  煤的电化学脱硫机理研究
• Development and application of clean coal in zhejiang
  浙江省洁净煤的开发应用
• They eked out their coal by collecting firewood
  他们拣拾木柴以补充煤的不足
• Determination of grindability index of coal hardgrove method
  煤的可磨性指数测定方法
• Determination of moisture - holding capacity of coal
  煤的最高内在水分测定方法
• Test for carbonization of coal in aluminum retort
  煤的铝甑低温干馏试验方法
• Research on preparing sulphonated coal using lignite char
  用褐煤半焦制备磺化煤的研究