1.
AN APPLICABLE METHOD FOR ESTIMATION OF FORMATION DRILLING STRENGTH AND BIT WEAR
地层抗钻强度与钻头磨损实用评估方法
2.
Design of Screw Thread for Drill Collar of High Torque Connections and Finite Element Analysis
高抗扭强度钻铤螺纹设计及有限元分析
3.
The Strength and Modal Analysis of GCF-1500 Impact Drilling Machine Tower;
GCF-1500冲击钻机钻塔强度与模态分析
4.
compressive strength, compression strength
抗压强度,耐压强度
5.
Complete crystal shape,good diaphaneity,high compact strength and thermal stability.Suitable for cutting,drilling and grinding tools.
晶体完整，透明度好，具有高的抗冲击强度和热稳定性。适用于高档次切割工具、钻头、碾磨工具。
6.
Technical specification for testing concrete strength by drilled core
钻芯法检测混凝土强度技术规程
7.
Pullout test technical specification for estimate concrete strength
后钻拔出法测定混凝土强度技术规程
8.
Study of the Drillability of NM360 High-strength Steels;
NM360高强度材料钻削性能研究
9.
Synthetic Method of “Resilience-Augercore” to Detect the Intensity of Concrete;
“回弹-钻芯”综合法检测结构混凝土强度
10.
Study of the drilling parameters of NM360 high-strength steels
NM360高强度材料钻削参数的研究
11.
Classification of Build-up Intensity in Trenchless Technology for Pipe Laying
导向钻进非开挖铺管的导向强度研究
12.
On inspecting the intension of concrete by using pencil lead method and it's uncertainty
钻芯法检测混凝土强度及其不确定度评价
13.
breaking tenacity
断裂强度,抗断韧度,断裂强力
14.
bursting strength tester for papers
纸类抗爆裂强度测试器
15.
steel has great tensile strength
钢有极高的抗拉强度
16.
This kind of steel is an excellent shock aBsorBer.
这种钢材抗冲击强度高。
17.
thin steel wire of high tensile strength.
细的抗张强度的金属丝。
18.
testing method for compressive (crushing) strength of fired whiteware materials
陶瓷抗压强度试验方法