Artificial hole 人造孔洞
artificial hole digging pile 人工挖孔桩
Artificial hole filling pile 人工挖孔桩
Anchor Hole 锚固
drawing hole forming technique 拉深孔成形
drawing-hole forming technology 拉深孔成形技术
efficiency of hole forming 成孔效率
Forming-hole Technology 成孔技术
HOLE FORMING 成孔
Hole Forming Technology 成孔技术
hole forming tree planter 植树成穴机
hole hole interaction 空穴-空穴相互酌; 空穴-空穴相互作用
HOLE-FORMING 成孔
Hole-forming Methods 成孔方法
A shrinkage method combining with medium-length hole and shallow hole 分段留矿法; 等效杂讯电荷
electron-hole liquid drop (=electron-hole droplet) 电子电洞低液
hole by hole blasting 逐孔起爆
hole by hole blasting technique 逐孔起爆技术
hole by hole detonating 逐孔起爆