main coal mine ventilator 煤矿主通风机
ventilator in mine 井下通风机
mine local ventilator 局部通风机
mine main ventilator 矿井主要通风机
mine shaft ventilator 矿井通风机
coal mine main ventilator 煤矿主通风机
This study also has reference significance to other mine ventilator manufacturers in China.
本研究对我国矿用通风机制造行业其他企业也有重要的参考意义。
Using this system to drive mine ventilator, the purpose of energy saving and profit increasing is achieved.
用该系统驱动矿井通风机，达到了节能增效的目的。
In order to improve the coal mine ventilator supervisory and monitoring system, the intelligent unit of sensor is designed based on AT89C52.
为了改进煤矿风机监测系统，设计了基于AT 89c52的传感器智能转换单元。
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