The paper presents main characteristic of a microchip PIC and its application in mine hoister safety protection .
介绍了微型单片计算机的主要特点极其在矿井提升机安全保护中的应用。
Based on the measured results of the displacement of deep soft rock roadway in MaLuPing mine, the deformation characteristic of the surrounding rock is analyzed.
文章根据马路坪矿深部软岩巷道表面位移的实测结果，分析了巷道围岩变形主要特征。
Based on the system safety engineering theory and the characteristic of mine gas explosion, the safety assessment of mine gas explosion was studied.
运用系统安全工程原理结合煤矿瓦斯爆炸的特点，对煤矿瓦斯爆炸的安全性评价作了初步的研究。
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