查询词典 drilling stem

The dynamics of roller cone bit under the interaction of drilling string,bit and rock during the drilling process was investigated.

研究了钻井过程中钻柱、钻头、岩石相互作用下的牙轮钻头动力学特性。

This machine can be used drilling,core drilling, reaming,boring,tapping, spot-facing and chamfering etc.

可以进行钻孔、扩孔、铰孔、镗孔、攻丝、锪平面，倒角等工作。

Prepared by Tom Sheeran Drill string Drill bit The hoisting equipment consists of: a crown block, a traveling block, drilling line, and a drawworks to pull the drilling line up or down.

Prepared by Tom Sheeran 钻柱钻头起重设备由以下部分组成：天车，游动滑车，游动钢丝绳，和一个用来起降游动钢丝绳的绞车。

And the same number of well-known international companies in China, on its products:◎ Honda "HONDA"-Product: Series lawn grass cutting vehicles, lawn grass cutting machine, environment-friendly four-stroke cutting grass playing irrigation machines, gasoline engines, pumps;◎ the United States "TORO" produced by spray irrigation equipment: a variety of models and buried guns, electromagnetic valve, controller;◎ the United States "TORO" produced by Sports Ground Equipment: Triple hob grass cutting machines, multi-purpose transport aircraft, drilling Machine, the green grass cutting machines, machine crossed stadium turf, lawn sweeping machine, Rotary Daojian wide grass machine, suction machine leaves, lawn tractors, heavy-duty garden tractors, zero turn efficient grass cutting car use Landscaping 000 engineering vehicles ;◎ Japan's Komatsu company's Hedgerow pruning machine, a grass-cutting irrigation, logging chain saw fighting sticks, tree branches shredders, digging machine, mini-excavators;◎ Japan's Ishikawajima Shibaura company's golf equipment: air - Lawn machine, Shoufu-green grass cutting machine, triple grass cutting machine, Tuogua-triple grass cutting machine, a review of sand, cutting grass-roots comb, Shoufu pressure roller-green machine, lawn sweeping vehicles, Fertilization sowing machine, the green grass Gun pressure, green cleaning machine, knife-cut home-Bitola, rake sand machine, drilling machine;◎ Italy Italy Make the production company,"Omar card" Hedgerow cutting machines, cutting irrigation Grass-fighting and fighting sticks logging chain saw, the specifications for digging machine, gasoline / electric lawn grass cutting machine;◎ Sweden,"Sandvik" gardening tools.

并同多家国际著名公司合作，在中国代理其产品：◎本田&HONDA&通机产品：系列草坪剪草车、草坪剪草机、四冲程环保型割灌打草机、汽油发动机、水泵；◎美国&TORO&公司生产的喷灌设备：多种型号地埋式喷头、电磁阀、控制器；扫机、宽幅旋刀剪草机、吸树叶机、草坪拖拉机、重型园林拖拉机、零度转弯高效剪草车园林绿化万用工程车；◎日本小松公司生产的绿篱修剪机、割灌打草机、打枝伐木油锯、树枝粉碎机、挖坑机、小型挖掘机；根梳草机、手扶式果岭压辊机、草坪清扫车、播种施肥机、果岭压草磙、果岭清扫机、剪置刀盘托拉机、耙沙机、打孔机；◎意大利意玛克公司生产的&欧玛牌&绿篱修剪机、割灌打草机、打枝伐木油锯、大规格挖坑机、汽油/电动草坪剪草机；◎瑞典&山特维克&园艺工具。

Suitable for vertical well drilling goisting, cage channel of vertical well drilling, port load and unload derrick ,and tower crane.

适用于开设立井提升、立井罐道港口装卸起重机、建筑用塔式起重机。

The drilling crew is responsible to skid the derrick back to the drilling position.

钻井班移动井架到工作位置。

Diamond bird, drilling industry, drilling and other well-known nine groups of e-commerce company exhibitors, exhibition area of more than 400 square meters.

钻石小鸟、钻界、九钻等著名电子商务公司组团参展，展区面积达400多平方米。

To meet the requirement of small diameter and shallow hole drilling for gas drainage in coal tunnel, the ZDY1200L track-mounted hydraulic tunnel drilling rig has been developed.

为适应当前煤矿井下小直径浅孔瓦斯抽放钻进的需要，研制了ZDY1200L型履带式全液压坑道钻机。

ABSTRACT Drilling time will be lasted and lateral force on casing exerted by drill pipe will increase in case of drilling deep well, ultrad...

在深井、超深井、大斜度井、大位移井及水平井中，钻井时间延长、钻柱作用在套管上的侧向力增高，因此套管和钻柱的摩擦与磨损问题越来越突出。

Drilling time will be lasted and lateral force on casing exerted by drill pipe will increase in case of drilling deep well, ultradeep well, high inclined hole, extended reach well and horizontal well, therefore, friction and wear between casing and drill pipe became a severe problem.

在深井、超深井、大斜度井、大位移井及水平井中，钻井时间延长、钻柱作用在套管上的侧向力增高，因此套管和钻柱的摩擦与磨损问题越来越突出。

I want to be a big fish in a small pond.

我要做一条在小池塘里的大鱼。

While the software functioned well, we did not feel the same about their customer support!

虽然该软件运行良好，我们没有同样的感觉他们的客户支持！