If doing well in mine safe and quality level, we can raise mine safe reliability.
搞好煤矿安全及质量标准化，提高矿井安全可靠性。
Meanwhile, the reliability of safe and economic running of power station was improved.
同时，提高了电厂安全经济运行的可靠性。
The safe, reliability and economic operation lie on combustion system of boiler.
燃煤电厂的安全性、可靠性和经济性在很大程度上取决于锅炉燃烧系统。
The safe, reliability and economic operation lie on combustion system of boiler.
燃煤电厂的安全性、可靠性和经济性在很大程度上取决于锅炉燃烧系统。
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