杆

J; get the key from the drawer near the lever and pull the latter.

日记上解释说：矮人们挖掘到深处时，唤醒一只怪兽；从控制杆附近的矮人尸体身上得到钥匙并且拉下后面的控制杆。

Comparing the quality of the three methods of making hollow drill steel,"drill-hole and hot-rolled with core"method is best. The present paper indicates that the prolonging life mechanisms of the new drill rod include four aspects.

本文给出H22-40SiMnCrNiMoA锥体连接钎杆制造工艺，运用&钻孔-带芯热轧法&、&热穿-热拔法&、&热穿-热轧法&三种工艺加工的H22-40SiMnCrNiMoA试验钎杆中，&钻孔-带芯热轧法&各方面的质量都是最好。

Make a mark for sticking point on the drill pipe.

在钻杆上作卡点记号。在钻杆上作卡点记号了吗？

The results showed that the wear-resistant belt in drill joint was actually an isolation belt, which could protect the drill joint and sleeve from serious abrasion, and the optimization and improvement of its performance was the technical key to preventing sleeve from serious abrasion.

结果表明，钻杆接头耐磨带实质上是一个隔离带，用以保护钻杆接头和套管免遭强烈磨损，接头耐磨带性能的优化与改善是防止套管强烈磨损的关键技术措施。

The fatigue life of the newly developed drill rod is also predicted according to the S-N curve of drill steel and its theoretical loading spectrum.

同时，结合材料的S-N曲线和钎杆的理论载荷谱，运用电算程序，预估了新型结构钎杆的抗疲劳寿命。

In view of the improper matching of the strength-toughness for domestic petroleum drill pipe sub,the influence of the chemical compositions and metallurgical quality of 37CrMoE steel used for drill pipe sub on its mechanical properties,as well as the effect of the metallurgical quality on the hardenability,were analyzed.

针对国产石油钻杆接头存在强韧性配合不良的问题，试验研究了钻杆接头用37CrMoE钢的化学成分和冶金质量对其力学性能的影响，以及冶金质量对淬透性的影响。

Our special and rock drill steel company total investment of 500 million s , it ' s customized produce the rock drill steel for our products, we can produce almost all kinds of rock drill steel, in the production process, H22 Rod have the largest production output , it ' s using the material of 40SiMnCrNiMo （ Silicon, Manganese, Chromium, Nickel, Molybdenum ）, and it ' s performance are better than the rod use the material of 95CrMo and 55SiMnMo.

我们的特钢公司总投资额5个亿，是专门为钎具钢而设计的，几乎能生产所有钎具钢，在生产过程中，H22钎杆的生产量最大，采用的是40SiMnCrNiMo这种材料，性能比95CrMo和55SiMnMo都要好一些，因质量稳定，供货及时，价格合理，我们公司很快成为中国最大的H22钎杆供应商之一。

The whole Set consists of electrical drill, slide track, lift rod, triangle balance rack, support rod, multi-puroose electric control box.

整机组由电动凿岩机、滑道、升降杆、三角平衡架、支杆、多功能电控箱组成。

We commend you for the main products: There are all kinds of plastic tubing, profiles, sheet, plate full production lines, single / double-screw extruder, crusher series, the feeder series, the series of dry, high-speed mixer series TSK series and parallel with twin-screw extruder granulator.

我们为你推荐的主要产品：有各种塑料管材、型材、片材、板材全套生产线、单/双螺杆挤出机、破碎机系列、上料机系列、干燥系列、高速混合机系列以及TSK系列同向平行双螺杆挤出造粒机。

The flow of Non-newtonian fluid in eccentric annuli with the inner cyinder moving axially and it's application in preventing pumping rod and oil tube from eccentric wear in a polymer-driving well are studied in this paper.

在采油过程中，由于油井较深的缘故，抽油杆在油管中是处于偏心位置的，聚驱井产出液在抽油杆做轴向运动的井筒中的流动问题就是非Newton流体在内管做轴向运动的偏心环空中的流动问题。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。