查询词典 making iron

In this paper the PLC hydraulic pneumatic control system of the punching process of iron roughneck was proposed for the walking power tong .

为满足国内对钻井设备自动化程度越来越高的要求，进一步提高液压大钳的自动化程度，基于行走式动力大钳提出了铁钻工上扣过程的PLC液压气动控制系统。

During the process of the automatic drilling ,iron roughneck is the most developed equipment of pipe handling operation and one of the most important automatic equipment which can complete connection of the pipe,casing and other equipmenu and improve the safety and efficiency in oil production.

在自动化钻井生产中，铁钻工是目前最先进的扭矩旋扣设备，可完成钻杆、套管等钻具的旋扣连接工作，提高生产效率和安全性，是现代化钻井中重要的自动化设备之一。

During the process of the automatic drilling,iron roughneck is the most developed equipment of pipe handling operation and one of the most important automatic equipment which can complete connection of the pipe,casing and other equipmenu and improve the safety and efficiency in oil production.

随着现代化钻井的进程，钻井设备的自动化程度在不断提高，钻具的扭矩旋扣设备也在不断升级换代，从手动吊钳、液气混合动力大钳发展到现在最先进的铁钻工，自动化的旋扣设备在提高钻井生产效率和安全性等方面起到了重要的作用。

iron roughneck ; automatic drilling ; structure design ; development trend

目前，国内对于独立铁钻工设备的研究还处于起步阶段，已有个别生产厂开始进行自

The main products are drilling pumps, iron roughneck, draw works, BOP, drilling pipe processing systems as well as their spare parts.SHANDONG WEIMA PUMPS MANUFACTURING CO., LTD

主要产品有系列钻井泵、铁钻工、钻井绞车、钻井管子处理系统、防喷器、成套钻井泵组装等石油钻井成套装备及相关零部件。2008年12月通过API认证(证书编号： 6A-0950、7K-0188、ISO-0833、Q1-0584、TS-0407)。

Industry gives first place to the paint , plastic , printing and dyeing , iron and steel , cement , rubber , food processing.

工业以油漆、塑料、印染、钢铁、水泥、橡胶、食品加工为主。

In addition. it include more than 50 kinds of trace elements such as iron, manganese zinc ,Vanadium rubidium etc.

项目所在地，有大面积建设用地，黄河滩涂，绿化林带是天然氧吧，可供开发利用。

If iron is left exposed to damp air, it will rust away to powder .

如果铁暴露于潮湿空气之下就会慢慢生锈腐蚀成碎末的。

As iron is eaten away by rust, so the envious are consumed by their own passion.

就像铁被锈腐蚀，嫉妒被本身的情感毁灭。

Just as rust eats away iron, indulgence in bourgeois ways of life may eat away one's revolutionary will.

正如铁锈会腐蚀铁一样，沉溺资产阶级生活方式会消磨掉一个人的革命意志。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。