pulverized coal characteristics 燃煤特性
concentrating coal characteristics 聚煤特征
China Coal Characteristics Database 中国煤炭特性数据库
slagging characteristics of coal ash 煤灰的结渣特性
elementary characteristics of coal 煤的基本特征
characteristics of coal nature 煤质特性
microstructure characteristics of coal 煤体结构特征
coal-bearing characteristics 含煤特征 ; 含煤地层
The relationship of coal combustion efficiency and coal characteristics is studied.
试验研究不同煤的燃烧率和煤特性关系。
Different assembling positions for calciner are designed according to different coal characteristics.
结合燃煤特点，分别设计了不同的燃烧器安装位置。
In this avtide we analyzed the producing raw coal Characteristics and pul forward our suggestions of reducing production costs.
本文阐述了原煤生产的主要特点，提出了降低原煤生产成本的具体措施。
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