查询词典 derrick

Recently, with the application of finite element method in engineering mechanics, it is necessary and possible to study the welding procedure of domestic oil derrick materials, for the purpose of more appropriate procedure and to improve the welding quality and productivity of oil derrick.

近年来，随着计算机辅助设计在工程中的应用，有可能也有必要对国内井架材料的焊接工艺进行进一步的研究，制定合理的焊接工艺，提高井架焊接质量。

During the manufacture of oil derrick, such factors as welding defects, deforming and cold crack have key effect on the oil derrick quality.

在井架的制造过程中，焊接缺陷、焊接变形和焊接冷裂纹是影响井架质量的关键因素。

Those simulation analysis results can be used as scientific basis for derrick design staff to revise design and for detection staff to detect oil derrick in field.

仿真分析结果为井架设计人员修改设计方案、检测人员对在用采油井架现场检测提供科学依据。

In this paper, welding process parameters of oil derrick have been determined, and a suitable welding procedure have got by use of welding procedure qualifications. The paper pointed out the common defects in oil derrick welding, explained it, and gave preventive measures.

本课题通过焊接工艺评定，确定井架焊接的工艺参数，并指出了井架焊接中容易出现的焊接缺陷，分析了缺陷产生的原因，给出了预防措施。

According to the mechanical behaviors of in-service oil drilling derrick,the simulation model for forecasting the ultimate bearing capacity of oil drilling derrick was established on the basis of the double nonlinear theory .

针对在役石油钻机井架的力学特征，建立了基于双重非线性理论的极限承载仿真模型。

The damage of the derrick was due to the careless handling of the ship's crew in lowering the derrick, causing the topper to override the ratchet wheel and foul onto the topping winch drum shaft.

该吊杆的损坏是由于该轮船员在将吊杆放低时因操作不慎而造成千斤索越过棘轮，缠绕在千斤索绞车卷筒轴上。

Consequently, the topper was cut broken by the pawl of the ratchet wheel and the derrick fell freely and struck onto the bulwark top, resulting into serious bending of derrick and also wounding of stevedores.

接着，千斤索被棘轮爪切断，吊杆失控跌落并撞上舷墙顶部，致使吊杆严重弯曲，装卸工受伤。

Our company mainly produces and runs brand"Sheng Zhong "electric calabash,singal- clouble bridge derrick,doorlike derrick 、building bridges maching、Press-ganging maching 、port crane and aviding explosive.

本公司主要从事&盛重&牌电动葫芦，单、双梁桥、门式起重机，抓斗，架桥机，港口起重机及防爆系列起重机的制造、销售。

In addition, the combined weight of the loaded pers onnel platfo rm and its rigging must not exceed 50 percent of the rated capacity of the crane or derrick for the radius and configuration of the crane or derrick.

此外，加载的载人平台与其索具的总重不能超过吊车或起重机在其工作半径和配置一定时的额定载荷的50%。

Company's main products are: pressure vessel, with a long-stroke pumping unit, oil production wellhead equipment, swimming pulley, packer, tubing anchor, farm trailers, operating Derrick, Derrick Crane , Able to drive me assembly, and other oilfield machinery parts, in May 2001 through the ISO9002 quality system certification.

公司生产的主要产品有：压力容器、带式长冲程抽油机、采油井口装置、游动滑车、封隔器、油管锚、农用挂车、作业井架、井架天车、绞传动箱总成、及其它油田机械配件，于2001年5月通过ISO9002质量体系认证。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。