1) bucking the tool joint
给钻杆装接头
2) bucking the tool joint
钻杆装接头
3) set up the tool joint
配装钻杆接头
4) shrink grip tool joint
烘装钻杆接头
5) drill rod joint
钻杆接头
1.
Wearing resistance of drill rod joint is an important study in drill machine manufacture for years.
以钻杆接头常用材料40Cr为试验材料,对其经粉末固体渗硼后的耐磨性、耐蚀性进行了研究,结果表明,渗硼后其耐磨性提高7倍以上,耐蚀性也有明显提高。
2.
The three fail form of scoring,fillister and corrosion for 127 mm(5″) S135 drill rod joint,corrosion rate and corrosion production have been researched by means of analysis of chemical composition and microstructure,testing of mechanical property.
通过化学成分分析、力学性能测试、组织结构分析和高温高压模拟试验,对127 mm(5″)S135钻杆接头内壁出现划痕、凹槽和腐蚀三种失效形式,钻杆的腐蚀速率和腐蚀产物进行分析研究。
6) drill pipe joint
钻杆接头
1.
Reasons of wear-reistant zone dropout in spray-welding coating on drill pipe joint and its preventive measures;
钻杆接头喷焊层耐磨带脱落原因及预防措施
2.
There are geometric defects at the shoulder of drill pipe joint.
针对钻杆接头反台肩处存在的外加厚过渡不全及几何缺陷 ,在静态纯弯曲条件下 ,用电阻应变片测试了所引起的应力集中系数 。
3.
Based on the theory of contact non-linear finite element, the non-linear finite element analysis model of drill pipe joint screw was established, and the effect regular of external diameter of drill pipe joint on the its strength was researched by means of large general-purpose finite element analysis software .
以接触非线性有限元理论为基础,建立了钻杆接头螺纹非线性有限元分析模型。
补充资料：装聋装哑
1.见"装聋作哑"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条