1.
PRELIMINARY DISCUSSION ON REDUCTION FREQUENCY OF BOULDER OCCURRENCE IN DEEP HOLE BENCH BLASTING
浅谈降低深孔梯段爆破大块率的措施
2.
The Calculating and Testing Research on the Fractural Range of Bench Shooting of Loading Emulsion Explosive in Deep Hole;
混装乳化炸药车深孔梯段爆破破裂范围计算分析及试验研究
3.
sublevel blast-hole method
深孔分段崩落采矿法
4.
STEP HOLE DRILLING METHOD FOR MEASURING PLANE RESIDUAL STRESSES IN DEEP LAYER
钻阶梯形孔法测量深层平面残余应力
5.
THE HIGH BENCH LONG HOLE MINING IN ANQING UNDERGROUND COPPER MINE
安庆铜矿高阶段大直径深孔采矿法实施方案
6.
Application of High Bench Large Diameter Longhole Blasting Technology in Anqing Copper Mine
高阶段大直径深孔爆破技术在安庆铜矿的应用
7.
Mining Steeply-inclined Thin Orebody with Medium-deep Hole High Sublevel Stoping Method
中深孔高分段空场法开采急倾斜薄矿体
8.
Construction Techniques for Rigid Fixity Section of Pylon and Girder of Navigable Bridge of Shenzhen Bay Highway Bridge
深圳湾公路大桥通航孔桥塔梁固结段施工技术
9.
Serial Blasting Crate Tests Confirm Medium-length Hole Blasting Parameter of Non-pillar Sublevel Caving Method
无底柱分段崩落法中深孔爆破参数试验
10.
Distribution structure and parameter determination of medium-length holes in stage room mining method
阶段矿房采矿法中深孔布置结构及参数的确定
11.
climb a long/short flight of stairs
上一大[小]段楼梯
12.
Relation of diagenesis and pores in conglomerate reservoir of deep Sha 3 formation of Langgu sag
廊固凹陷沙三段深层砾岩体油藏成岩作用与储层孔隙关系研究
13.
Similar Experiment of High-Level Large-Diameter Long-Hole Mining in the Anqing Copper Mine
安庆铜矿高阶段大直径深孔采矿相似材料模拟实验
14.
EARTHQUAKE EFFECT OF HIGH-LEVEL LARGE-DIAMETE R LONG HOLE BLAST IN ANQING COPPER MINE
安庆铜矿高阶段大直径深孔爆破地震效应的浅析
15.
STUDY ON STABILITY OF STOPE IN ROOM HIGH-LEVEL LARGE-DIAMETER LONGHOLE MINING IN ANQING COPPER MINE
安庆铜矿矿房高阶段大直径深孔采矿采场稳定性研究
16.
Two-stage servo control motor and servo leaping function enable the machine with processing deep holes, blind holes, lateral and large area electrical machining.
快速二段式伺服马达控制及伺服跳动功能,具深孔、盲孔、侧面及大面积电极加工之特性。
17.
Drilling 50 yards deep,
钻孔至50码深处,
18.
There was no lift and we had to climb six flights of stairs.
没有电梯, 我们得爬六段楼梯.