Shenhua coal has high volatile, high caloricity, low sulphur, and low ash.It is better power coal.

 
  • 神華煤具有高揮發(fā)分、高發(fā)熱量、低硫、低灰等特點(diǎn),是優(yōu)質(zhì)的動(dòng)力用煤;
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国内精品美女A∨在线播放xuan