本文根据岩溶区勘探钻孔和矿山巷道资料说明河谷深部溶洞分布的成层性。
This paper deals with the phenomenon of layering in the distribution of deep karsts according to the information from the prospecting boreholes and mining excavation in karst areas.
通过对祁东煤矿勘探钻孔统计资料分析，研究了岩浆侵入煤层的主要特征。
Based on the statistics of exploratory boring data, the main characters are researched on magmatic intrusion in Qidong coalmine.
高压水射流径向水平孔钻进技术是水平孔施工技术之一，它是在垂直瓦斯抽放或煤层气勘探钻孔布置机械或水力扩孔装置，对准选定的煤层部位进行扩孔。
As one of radial horizontal drilling techniques, high pressure water jet drilling technology is capable of using mechanical or water jet apparatus to make a cavity at the selected coal seam.
该设备也可作为打桩船、地质勘探船、爆破挤淤装药船、钻孔船等使用，适用于多种水下基础施工工程。
The equipment is suitable for various underwater projects and can also be used as pile-driving ship, geology survey ship, charge ship for mud extrusion by explosion, drilling ship, and etc.
金堆城尾矿坝为了进行加高设计而对尾矿库区进行了地质钻孔勘探。
The engineering geological drilling exploration for the Jinduicheng tailings dam area is carried out to serve the heightening design of enlarging its volume.
该技术可以在同一煤层气勘探井内，在不同煤层内完成多个径向水平钻孔。
The technology can make several radial horizontal bores at different coal formations in the same exploration well of coal-bed methane.
钻孔成像测井技术在油气勘探中已经发挥了重要的作用，然而在工程中的应用尚处在探索阶段。
Imaging well log technique has played an important role in oil and gas exploration, but its application in construction engineering is still in its initial testing phase.
贯通式潜孔锤反循环钻进技术是一种先进的钻探方法，适用于复杂地层中的地质勘探以及各类钻孔工程。
The hollow-through DTH hammer drilling techniques with whole hole reverse circulation is adopted, it is proved that this technique can resolve drilling.
本钻机适用于固体矿床的普查勘探及工程地质勘察等钻孔以及各种混凝土结构检查孔。
This drill the census that machine be applicable to solid mineral bed explores and work. The distance geology investigates etc, drills a hole and every kind of concrete construction Check bore.
本钻机适用于固体矿床的普查勘探及工程地质勘察等钻孔以及各种混凝土结构检查孔。
This drill the census that machine be applicable to solid mineral bed explores and work. The distance geology investigates etc, drills a hole and every kind of concrete construction Check bore.
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