着重介绍MK - 7型全液压坑道钻机的主要技术参数、钻机特点、部件结构、现场应用情况。
The main technical specification, specialty, structure of parts and field application cases of MK-7 Hydraulic Gallery Rigs are introduced.
介绍了其管柱结构、工艺原理、技术特点及现场应用情况。
Pipe string structure, mechanism of this technique, technique feature and application in field are introduced.
文中论述了该工艺管柱的方案设计、管柱组成、工艺原理、技术特点、现场试验等情况。
The project design, pipe string's composition, technique theory, technology specialty and field experiment of the technique pipe strings have been discussed.
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