“coal preparation”的概念、定义、翻译、参考文献-科学参考

单词	coal preparation
释义	coal preparation Encyclopedia 理学〔煤田普查勘探〕释 coal preparation选煤利用煤与其他物质的不同物理、物理-化学性质，在选煤厂内用机械方法去除混在原煤中的杂质，把它分成不同质量、规格的产品的过程。
随便看	stealth penetration stealth technology stealthy absorption polymer steam steam assisted gravity drainage steam-assisted gravity drainage steam boiler steam bolier plant Steam Boy steam calorimeter steam carry-over steam compression refrigeration source steam consumption rate steam cure steam curtain steam distillation steam distributing gear steam distributing system of steam turbine steam-driven feed water pump steamed steamed feather steam ejection vacuum pump steam ejector refrigeration system steam engine steamer chamber

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