束管监测系统是预报采煤工作面自然发火趋势的有效手段。
Duct monitoring system is an effective means to predict the trends of spontaneous combustion in coal face.
数字式电子发火机由单片机控制电路、数字电路、数码管显示电路以及检测与发射电路5部分组成。
The digital electronic ignition device was composed of 5 sections of MCU control circuit, digital circuit, light emitting diode display circuit, detection circuit and launching circuit.
介绍了枪榴弹发火件装药延期管瞎火的各种影响因素，找出了解决方法，并进行试验结果分析。
This paper introduces various influence factors that lead to the misfire of charging delay tube for firing device of rifle grenade, and the way to solve it was found.
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