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。
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