含苯环成孔剂
Aromatic Pore-forming Agent
回转钻机成孔
pore formed by rotary drill
洛阳铲成孔法
method of Luoyang shovel hole form-ing
强夯成孔
dynamic consolidation piling
风钻成孔
pneumatic drilling borehole completion
全套管旋挖成孔
all casing rotary drilling
人工成孔锚杆
artificial hole forming anchor
溶析成孔技术
removing temperary filler technology
深斜孔成孔
deep and inclined hole drilling