查询词典 tubular

The major one was the development of multibore or variable-bore rams, which solved the inherent problem of the ram BOP sealing on only one specific size of tubular goods, Multirams can adapt to different sizes within a limited range—e,g,, between all tubulars with diameters between 3% and 5 in, [8,9 and 12.7 cm].

主要的一个是多孔或可变孔闸板，它解决了闸板防喷器只密封一种特定类型的官状货物的固有问题。多孔闸板可以适应有限范围内不同型号的货物-比如，在所有直径介于3%和5%之间（8，9和12.7厘米）。

On 28 November 2005, the DSB adopted panel report concerning Korea anti-dumping duties on certain paper from Indonesia; and panel and appellate body reports pertaining to United-States anti-dumping measures on oil country tubular goods from Mexico.

2005年11月28日，争端解决机构采纳了专家组作出的关于解决韩国对出产印尼的特种纸实施反倾销税争端的报告，以及专家组和上诉处理机构做出的解决美国对墨西哥石油工业用管材实施反倾销措施的报告。

Shanghai Hail Oil Tubular Goods Research Institute, Shanghai 200949, China

袁鹏斌1 吕拴录2； 3 孙丙向4 梁敏5 余世杰1 刘凡6

The present situation and development trend of the study on H2S/CO2 corrosion at home and abroad are analyzed, and the protection measures to the H2S/CO2 corrosion of oil-well tubular goods are presented.

目前对单含H2S或CO2(或含极少量H2S)时的腐蚀机理和规律研究较多，而对类似四川罗家寨气田同时高含H2S和CO2两种腐蚀性气体的腐蚀和防护方法的研究较少。1CO2腐蚀研究现状CO2腐蚀是由于CO2气体溶于水生成碳酸而引起电化学反应导致石油管材发生腐蚀。

Oil country tubular goods ; laser length measuring instrument ; data report ; Excel format

石油专用管材；激光测距仪；数据报表； Excek表格

Its exports include petroleum exploration equipment and instrument, drilling equipment and tools, work-over and production equipment and tools, oil country tubular goods, drill pipe, tubing and casing, oilfield construction equipment, oilfield chemicals, refining and chemical products and equipment as well as related engineering services.

出口产品主要包括石油勘探、钻井、采油、修井装备及工具，油田地面建设装备，油田化学剂和炼油化工产品及装备，以及相关的工程技术服务项目，年出口额已超过3亿美元。2001年公司机电产品出口创汇额在中央管理的外贸企业中排名第一。

As an established leader in domestic petroleum equipment industry, it is committed to develop and manufacture variety array of oilfield products categorizing from drilling equipment, production equipment, tubular goods and pipelines to chemicals and offer oilfield services.

公司以研制、生产、销售石油机械产品为主，现已形成钻井机械、采油机械、石油管材、油气输送、化工、油田服务等多个门类的系列产品，是国家级高新技术企业，共有国家专利120多项，其中18项为发明专利。

Diesel engine tail gas drilling is a kind of gas-based underbalanced drilling, with advantages of protecting oil/gas reservoirs and improving ROP. However, due to complex composition, the diesel tail gas will give rise to severe corrosion to oil country tubular goods.

柴油机尾气负压钻井属气基欠平衡钻井，具有保护油气层和提高钻井速度等优点，但柴油机尾气成分复杂对石油管材可产生不同程度的腐蚀。

Wire drawings are widely applied in the corresponding area reduction processes of bar materials, wire rods and tubular goods. However, in the manufacturing process of wire drawing, parameters such as the semi-angle of conical die, length of bearing surface, billet straightness, area reduction will influence the drawing quality.

抽线为常被用於棒材、线材或管材等的断面缩减制程，然而在抽线生产过程中，模具的眼模半角及平行部长度与胚料弯曲度、减面率等参数将影响线材产品之品质。

The US Commerce Department said Tuesday it decided to set final countervailing tariffs of 10.36-15.78% on imported Chinese oil country tubular goods, the biggest US trade action against China ever, Xinhua reported.

据新华社报道，美国商务部24日作出终裁，以中国油井管存在补贴为由对相关产品实施10.36-15.78%的反补贴关税制裁。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。