煤质管理 meaning in Chinese

coal quality control
quality control of coal

Strengthening quality management and raising coal quality
加强煤质管理提高煤炭质量
Strengthening coal quality management and creating brand effect
强化煤质管理力创品牌效益
Development of coal quality mis for coal preparation enterprise
洗煤厂煤质管理信息系统的开发
Raise coal quality by strengthening the raw coal quality management
强化煤质管理提高经济效益
Enhancing coal quality management and improving the economic benefit
加强煤质管理提高煤炭质量

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