介绍了矿井主通风机风量测试原理及其方法。
The principle and the method of flow rate testing for main fan in mine is introduced.
介绍了某矿井主通风机运行时的异常振动现象。
The abnormal vibration of main fan operation in a certain mine is introduced.
针对某矿井主通风机，介绍了性能测试的方法及结果，总结了测定的特点。
The paper introduces the main ventilator in certain mine about test method for its properties and result, and concludes the characteristic of measuration.
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