A plug of cement or similar material placed as a slurry in a specific location within the wellbore and which has set to provide a means of pressure isolation or mechanical platform.
在井筒中以浆的形式置于某特定位置然后凝固的水泥或类似材料所成的塞子，它们在凝固后能隔离压力或提供机械平台。
Another transit worker at the scene said it took 20 minutes before a contractor arrived to disengage the mechanical platform extender and another 10 before the victim was freed by police.
另一位现场列车工作人员告诉记者在承包商赶到解除站台系统后已经过去了20分钟，之后警察又花了10分钟将受害者救出。
Mechanical design of stabilized platform unit is one of the key techniques in the rotary steering drilling tool.
稳定平台单元机械系统的设计是旋转导向钻井工具的关键和难点之一。
It cuts the fork type mechanical structure, so that the lifting platform lifting with high stability.
它的剪叉式机械结构，使升降台起升后有较高的稳定性。
Verify the functions through the test platform developed by our team, which takes the DSP processor as the core to realize PMSM start-up at maximum torque and without mechanical impact.
通过自主开发的以数字信号处理器为核心的实验平台进行了功能验证，实现了永磁同步电机无机械冲击和最大转矩启动。
The installation of mechanical hand carried on a mobile vehicle on the lifting platform, which has larger working height and moving range.
安装机械手搭载在移动车体的升降台上，使其具有较大的工作高度和移动范围。
The virtual platform for Marine mechanical equipments disassembly with abroad applicability is developed here.
并研制开发了具有通用性的舰船机械设备虚拟拆卸平台。
It provides a platform for mechanical drawing teaching.
为《机械制图》远程教学提供了一个教学平台。
Our main products :E-price scale , Electronic platform scale, electronic kitchen scale, health scale, jewelry scale and mechanical weighing apparatus, etc.
主要产品有电子计价秤、电子台秤、电子厨房秤、人体健康秤、珠宝秤、度盘秤、机械衡器等产品。
The mechanical dynamics model is an important research area of the control strategy for the six-dof hydraulic motion platform.
机械系统动力学模型是研究液压六自由度运动平台控制策略的重要组成部分。
Mechanical structure is installed in a precision-guided screw device test platform, stepping motor control through the mirror group displacement to achieve CCD acquisition.
机械结构是一个安装在精密螺纹导引装置上的测试平台，通过步进电机控制反射镜组位移实现CCD采集。
Through the analysis of these problems and combined with the idea of module, a design platform of mechanical movement plan module is put forward.
通过分析这些问题，并结合软件的模块化设计思想，有针对性的提出了一个机构运动方案模块化设计平台。
Infrared imager's mass and the structure dimensions are strictly restricted by the satellite platform, so infrared imager mechanical structure must be packed, agile and firm.
由于所搭载的卫星平台对红外成像仪质量和结构尺寸有严格的限制，红外成像仪必须做到结构紧凑，轻巧可靠。
In mechanical equipment monitoring applications, a suitable node platform must be designed to achieve the requests of high-frequency, high-speed, large amount of data transmission.
在机械设备的状态监测应用中，要达到高频率、高速率、大数据量传输等要求就要设计合理的节点平台。
According to the plan of the operation, the mechanical arm was locked automatically, to supply doctors with precise navigation and an operative platform.
智能机械臂按照手术规划自动地锁定，为术者准确导航并提供操作平台。
ASTM4130 steel is applied to high pressure pipeline of offshore platform because of its excellent mechanical properties.
ASTM4130钢以优良的机械性能被应用为海洋平台高压管线材料。
This dissertation thoroughly explains the mechanical design of the platform, including the energy system, three-dimensional motion system, feeder system and elevating system.
论文详细叙述了机械系统平台的机构设计。机械系统主要包括能量系统、三坐标运动系统、铺粉系统和升降系统。
Swaying test platform, as a space motion mechanical device, can simulate motion of ship, vehicle, space craft, gyro and so on.
摇摆台作为一种空间运动机械被广泛用来模拟舰船、车辆、飞行器、陀螺仪的运动姿态等。
With the precision degree of its lifting platform as a focal point, the paper also introduces the related mechanical models and the rigidity design of the lifting platform using conjugate beam method.
着重分析了升降架的设计精度要求，介绍了其力学模型及采用共轭梁法对升降架的刚度设计。
Aiming at solving existing problems for the conventional mechanical close gear test platform, a computer controlled hydraulic loading system is designed.
针对传统的机械闭式齿轮试验台存在的问题，设计了一种计算机控制液压加载系统。
The virtual platform for Marine mechanical equipments disassembly with abroad applicability is developed...
并研制开发了具有通用性的舰船机械设备虚拟拆卸平台。
This paper introduces the software structure and model libraries design of a distributed comprehensive simulation platform for the mechanical and electrical systems on aircraft.
该文介绍了分布式机载机电设备综合仿真平台的软件结构和模型库设计及仿真实例运行过程。
The principle and the main factors for design of process as well as for mechanical equipment adopted in hot oil heating system of offshore platform are introduced in this paper.
论述用于海上工程的热油加热系统的原理、机械设备设计要点和系统设计要点。
The invention relates to a manufacturing method of a steel-rolling cooling bed roller-oriented support platform, belonging to the technical field of mechanical processing.
本发明涉及一种轧钢冷床辊道导向支撑台制备方法。本发明属于机械加工技术领域。
We used DSP to process the sampled data and calculate the electrical energy and mechanical energy, and send the processed data to the ARM9 platform via the RS232 asynchronous serial communication.
DSP对采样数据进行处理，负责电能与机械能的计量，并把处理后数据通过RS 232异步串行通信传输至ARM9平台。
It is certainly a new and valuable modeling and testing research platform for studies of both water inrush in coal mines and related mechanical problems in deep mining engineering.
显然，该装置为深部开采中的岩石力学问题以及矿山突水机制与防治的试验研究与测试工作提供了新的、具有重要作用的平台。
To meet the auto-leveling system's precision and leveling-time request, the platform use mechanical-electronic servo control system and AC servo technique.
采用机电伺服控制系统以及最新的交流伺服技术，能够获得更高的调平精度和更少的调平时间，满足平台调平系统的要求。
Electro-mechanical equipments: platform door, safe door and accessories, elevators, escalators, moving sidewalks, solid carport and other traffic equipments;
机电设备包括：站台屏蔽门、站台安全门及配件、电梯、扶梯、人行道梯、立体车库等交通设备；
Electro-mechanical equipments: platform door, safe door and accessories, elevators, escalators, moving sidewalks, solid carport and other traffic equipments;
机电设备包括：站台屏蔽门、站台安全门及配件、电梯、扶梯、人行道梯、立体车库等交通设备；
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