1.
Rock Splitting Mechanism Numerical Simulating Analysis of the Rock Drill-splitter;
钻孔劈裂器破岩机理的数值模拟研究
2.
A needle-shaped drill for boring holes in rock or masonry.
钻头，钻石器，钻孔器用于在岩石或砖石上钻孔的针形钻
3.
horizontal borehole pressure recorder
水平钻孔压力记录器
4.
jet piercing burner
热力喷射钻孔燃烧器
5.
The act of splitting or cleaving.
劈开劈开或撕裂的动作
6.
The paper sequentially analyzed the starting-crack mechanism of hydraulic fracture bore which lies in coal delamination or lies between two coal delaminations or through many coal delaminations.
进而论文分析阐述了煤分层中钻孔、分层层面钻孔、以及穿层钻孔水力压裂的起裂机理。
7.
Application of Drilling Engineering in Fracturing Test Borehole of Gasification Coal Mining
钻探工程在气化采煤压裂试验钻孔中的应用
8.
The machine used for drilling is called a drill press.
用于钻孔的机器叫做“钻床”。
9.
Study on the Propagation Mechanism of the Crack for the Borehole Hydraulic Fracturing in Coal Seam
煤层钻孔水压致裂的裂缝扩展规律研究
10.
He makes a small hole in the belt with a leather punch.
他用打孔器在皮带上钻了一个孔。
11.
He make a small hole In the belt with a leather punch
他用打孔器在皮带上钻了一个孔
12.
All existing web cracks were arrested by drilling 19 mm holes at the ends of the cracks.
所有已存在的腹板裂纹都在裂纹端部钻19mm的孔止裂。
13.
Initally 24 mm holes were drilled at the crack tips to arrest propagation.
最初，在裂纹尖端钻24mm的孔以阻止其扩展。
14.
A Study of Protected Mechanism and Drilling Working Fluid for Fracture-Pore Type Reservoirs;
裂缝—孔隙型储层保护机理与钻井工作液研究
15.
Application of Gas Extraction Technology by High-level Fracture Borehole in Fully Mechanized Caving Face of Thick Coal Seam
高位裂隙钻孔抽采技术在厚煤层综放面的应用
16.
Application of Gas Drainage in Fractured Zone by Roof High-level Boreholes in Daping Coal Mine
顶板高位钻孔裂隙带抽放在大平矿的应用
17.
Treatment Method of Rock Crevice in Drilling for Bored Pile
高架桥桩基钻孔遇岩石裂隙的处理技术
18.
DETERMINING THE HEIGHT OF COLLAPSE AND FRACTURE ZONE WATER-TRANSMITTING IN MINED-OUT AREA BY MEANS OF BOREHOLE
利用钻孔确定采空区垮落带和导水裂隙带高度