1.
Experimental Study on Deep-hole Trepanning Technology for Oxygen-free Copper
无氧铜深孔套料加工工艺的试验研究
2.
Three-dimensional numerical simulation of the cutting fluid in deep hole trepanning based on CAXA and FLUENT
基于CAXA和FLUENT的深孔套料切削液流动三维数值模拟
3.
Supporting the use of impact drilling electric drill. Drilling, hole spacing with hole depth should meet the design requirements.
（1）钻孔使用配套冲击电钻.钻孔时,孔洞间距与孔洞深度应满足设计要求.
4.
Study on High Speed Drilling in Deep 38CrMoAl Steel Tube;
38CrMoAl料筒高速深孔钻进研究
5.
An experimental study of drilling small and deep blind holes with an abrasive water jet
磨料水射流钻削深小盲孔的试验研究
6.
Research on Hot Metal Forming Experiments for Magnesium-Alloy-Sheet
镁合金板料热拉深成套装备及实验研究
7.
"Drill & tap for M16X2-1.38 Deep NPT,16 places for cover plate mounting screw"
钻孔,攻出一只M16X2-1.38深NPT螺纹,16处,该螺纹应与盖板固定螺丝配套
8.
Design and Clinical Application of Hole Reamer with Depth Restrictor for Interlocking Intramedullary Nail in Treatment of Femoral Fractures
具有限深套管的股骨带锁髓内钉尾端扩孔器的设计与临床应用
9.
The Mechanism of Electric Spark s Processing and Its Application in Overlaying Perforation Processing;
电火花加工的机理及其在套料穿孔加工中的应用
10.
Drilling 50 yards deep,
钻孔至50码深处，
11.
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
12.
APPLICATION OF DEEP HOLE MILLISECOND TIME-DELAY COMPRESSION BLASTING IN QINSHAN STONE QUARRY
深孔毫秒延时挤压爆破技术在秦山石料厂的应用
13.
Deep Desulfurization by the Adsorption Process of FCC Diesel over Mesoporous Material MCM-41;
FCC柴油在介孔材料MCM-41上的深度吸附脱硫的研究
14.
Prediction Method for Perforation Depth of Rock with Abrasive Water Jet Based on BP Network
基于神经网络的磨料射流破岩射孔深度预测方法
15.
cased and perforated productivity
下套管射孔井的产能
16.
front spring eye bushing
前钢板弹簧卷耳孔衬套
17.
In construction of deep geothermal water well under1000 m, accidents of filtering or sealing material plugging and casing or strainer breaking will ha ppened rather often.
千米以上的深水地热井施工常会出现滤水材料或上水材料蓬堵及套管滤水管折断等事故。
18.
a polythene bag, cover
聚乙烯塑料袋、 套.