Applying with the proper methods of test and calculation, got the operation law of the main ventilator of Zhuzhuang Coal Mine.
应用合理的测试及计算方法，得出了朱庄煤矿主要通风机的运行规律。
Based on the "Security Rules for Coal Mine", the ventilation resistance and main ventilator behavior in Xing-long Mine is measured.
前言：根据《煤矿安全规程》规定，对兴隆煤矿进行了通风阻力测定和主通风机装置性能测试。
In the course of investigation and preparation for production expansion in Fankou lead-zinc Mine, the properties of main ventilator had to be measured.
凡口铅锌矿在进行生产扩改调查准备工作中，需要对主通风机装置性能进行测定。
The diffuser of mines main ventilator is a device to reduce kinetic pressure at outlet, raise static pressure of ventilator and recover kinetic energy at outlet.
矿井主扇扩散器是用来降低出口动压以提高风机静压而回收风机出口动能的装置。
This article introduces economic operation concept of mine main ventilator, analyzes the influence factors, and puts forward the ways to realize economic operation.
本文介绍了矿井主通风机经济运行的概念，分析了影响矿井主通风机经济运行的因素，提出了实现矿井主通风机经济运行的途径。
This article introduces economic operation concept of mine main ventilator, analyzes the influence factors, and puts forward the ways to realize economic operation.
本文介绍了矿井主通风机经济运行的概念，分析了影响矿井主通风机经济运行的因素，提出了实现矿井主通风机经济运行的途径。
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