查询词典 derrick making

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。

It used to be fashionable for millionaires to buy their own island. Now, with the risk of property literally going under, Derrick Pendle has opted to rent Teirio Island. The price hasn't been fixed yet, but however much it costs, you can't buy rain. So Derrick has invested 10,000USD on a water filter.

以往富豪流行买下无人岛，但现在怕岛屿沉没，Derrick Pendle改用租下Teirio小岛，价格还未定案，但比起花天价也不见得能买到的雨水，岛主只能再投资一万美金，添购海水淡化机。

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。

The tong counter-weight must not rest on derrick sub floor, derrick substructure sills or other obstruction. The counter-weights must be shielded to prevent crew members from accidental contact with the lines or weights.

大钳悬重一定不要压在井架小平台上、底座基础上或其他的妨碍物上，配重一定要有防护，防止人员意外接触吊绳和配重。

Derrick on Tianlun and rope set up the runway, the installation of hoists, winches double (3t) double rope traction, transport staff and lining materials; hoists the runway with a winch (2t) to tighten, In addition, the site symmetry at the bottom of the derrick cantilever mast for two, with two winches (3t) upgrading of materials, two separate winch (1t) Luffing operation.

井架上设天轮和钢丝绳跑道，装置吊笼，用双卷扬机（3t ）双绳牵引，运输人员和内衬材料；吊笼跑道用一台卷扬机（2t ）收紧，另外，在井架底部对称部位设悬臂桅杆两台，用两台卷扬机（3t ）提升物料，另设两台卷扬机（1t ）变幅操作。

Derrick parameter changes at many complicated situations were observed by computer, which was impossible in field or laboratory calculation results showed stress of derrick was smaller when bearing weight at the lower part of the body than that at the upper part, and the maximum stress distributed in positive and back crossbeams of necking site.

通过计算机实显示现场和实验室都无法实现的多种复杂情况下井架参数变化过程。

A small, rubber-headed hammer used in examination or diagnosis by percussion.

叩诊槌用在通过''。'振荡'。''所作的检查或诊断中的橡皮头的''。'小'。''槌

Affixes are limited in number in a language, and are generally classified into three subtypes, namely, prefix, suffix, and infix, depending on their position with reference to the root or stem of the word.

语言中词缀的数量总是有限的，根据它们跟词根或词干的相对位置，一般可以把词缀分外三小类：前缀，后缀和中缀。