An intrinsically safe signal telephone system special for mine use is dealt with in this paper including its development, construction, design features and application results.

介绍了一种专为煤矿井下使用的本安型信号电话系统的研究和它的构成、设计特点及使用效果。

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Focusing on meeting the actual demand, this research made use of fiber grating sensor that is corrosion-resistant and safe intrinsically to achieve new flow measurement system.

本课题针对实际需求，研究采用本质安全、耐腐蚀的光纤光栅传感器实现新型的流量计量系统。

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