The tariffs are a second blow for countries exporting coal to China, after an ban on selling or transporting low-grade coal.
对于向中国出口煤炭的国家来说，这些关税是第二次打击。此前中国宣布禁止销售或运输低等级煤炭。
Brown coal: a low-grade coal which commonly retains the structures of the original wood. It is high in moisture, low in heat value and checks Badly upon drying.
褐煤：一种低质煤，往往保存着原来的木质结构，高水分，低热值，干燥后龟裂严重。
German reunification in 1990 saddled the country with East Germany's low-grade brown coal plants, the dirtiest in Europe.
1990年德国统一，东德很多使用粗煤的低级工厂并入了西德，这是全欧洲最脏的工厂。
According to experience in Chekiang within the past seven years, it is clear that over-flow type fluidized bed furnace is a rational type for burning low calorific value and low grade stone coal.
沸腾炉是一种新型的燃烧方式，浙江省七年来的实践表明，溢流式沸腾炉是燃用低热值劣质石（火乚）的一种合理炉型。
The radiative heat transfer coefficients of the immersed tude within the operating conditions of the fluidized bed combustion boiler with low grade coal are also discussed.
文中尚对劣质煤沸腾燃烧锅炉中的埋管辐射放热系数进行了讨论。
The key technology of applying low grade coal is to increase secondary air temperature, ensure sufficient air in kiln and adjust the batching scheme properly.
设法提高二次风温，保证窑、炉足够通风，适当调整配料方案是应用劣质燃煤的技术关键，劣质煤完全可保证大型预分解窑稳定生产。
Generally speaking, the coal of power plant is low-grade, high-ash (the low content of fixed carbon) and the effect of direct gasification is bad.
一般说来，电站煤质的品位低、灰含量高(低的固定碳含量)，直接气化效果很差。
Australian coal is a high grade coal sort, boasting high volatile matter content, high calorific value, and low ash content.
澳大利亚煤(澳煤)是具有高挥发分、高热值、低灰分等特点的优质动力煤。
Pulverized coal ash utilization rate is very low in Hunan low grade anthracite-fired power plant.
湘南某电厂采用低品位无烟煤燃烧发电，粉煤灰利用率低。
The low ash coal dewatering process is especially suitable for preparing high grade active carbon with low ash coal.
本发明疏水团聚造粒助滤的低灰煤脱水方法，最适用于低灰煤制备高档活性炭。
The low ash coal dewatering process is especially suitable for preparing high grade active carbon with low ash coal.
本发明疏水团聚造粒助滤的低灰煤脱水方法，最适用于低灰煤制备高档活性炭。
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