thermal coal or steam coal?通常说的电煤（供给发电厂的）是thermal coal 还是steam coal?或者说两者都是?

thermal coal or steam coal?通常说的电煤（供给发电厂的）是thermal coal 还是steam coal?或者说两者都是? thermal power plant有哪几种?coal fire?combine circle? thermal thermal thermal Which is heavier,100kg of feather or 100kg of coal.请用英文回答 thermal是什么意思 Thermal Choke thermal brush 英语翻译Jing Ulrich,chairman of JPMorgan China Equities,said the cap on prices for thermal coal,though set at a high level,will protect power producers against further fuel price rises,if it can be effectively enforced. captive coal coal charcoal Coal Steam RECTANGULAR COAL 英语翻译A coal-fired thermal power plant.Coal is conveyed (14) from an external stack and ground to a very fine powder by large metal spheres in the pulverised fuel mill (16).There it is mixed with preheated air (24) driven by the forced draught 英语翻译Thermal SNR ---ratio between the power of the received signal in the single Range bin or pixel and the power of the thermal noise of the sensor.Normally expressed in dB. 英语翻译Any time lost as a result or breakdown,inefficiency,repairs or any other inability of the vessel unload the coal on a prorate basis. 英语翻译1.Some features formed during peat accumulation or shortly thereafter,whereas others developed long after deep burial and coalifiction.2.Coal mining involves both basic unit operations in the production and handling of coal and auxiliary