光杆用一段钢丝绳固定于驴头。
The polished rod is attached to the horsehead by the bridle.
介绍了一种新型结构的光杆密封盒。
A polished rod seal assembly with new structure is introduced.
最小光杆负荷发生在下行冲程开始时的冲程顶部附近。
The minimum polished rod load occurs near the top of the stroke with the start of the downstroke.
最大光杆负荷发生在上行冲程开始时的冲程底部附近。
The peak polished rod load occurs near the bottom of the stroke with the start of the upstroke.
本文研制了一个基于加速度传感器的光杆抖动检测系统。
This paper has developed a polished rod jitter detection system based on acceleration sensor.
调偏装置设计有光杆修复刀,可自动修除光杆上的毛刺。
Provided with a burr-trimming cutter, the bias-adjustable device can remove automatically the burrs on the polished rod.
并对光杆横向加速度进行了直接检测,得到光杆抖动信息。
It detects the lateral acceleration of the polished rod to get the jitter information.
经对抽油杆柱的井下受力分析,建立了光杆功率数学模型;
Through analyses the force on the pumping rod, building-up the polish rod mathematical model.
光杆上行冲程时的最大负载与下行冲程时的最小负载之差。
The difference in the peak load on the upstroke and the minimum load on the downstroke of a polished rod.
光杆还成为在油管与盘根盒空间之间的密封系统的组成部分。
The polished rod also forms part of the sealing system between the tubing and the atmospere in the stuffing box.
根据光杆扭矩与采油系统工况之间的对应关系,进行故障诊断。
The corresponding relations between the torque of bucket rod torque and oil production system behavior can be applied to fault diagnosis.
缺点:没有图像稳定和试验暴露了一些边缘和噪声在闪光灯和日光杆。
Cons: no image stabilization and tests revealed some fringing and noise in both flash and daylight shots.
介绍了一种新型光杆密封器的结构、特点、工作原理和现场应用情况。
The paper introduces the structure, characteristics, working principle and field application of the new type of rod sealing unit.
利用液压动力源、液压缸和固定于光杆的活塞进行抽油的一种抽油机。
A type of pumper that uses a hydraulic power source, a cylinder, and a piston attached to the polished rod.
在进入昆虫宿主后,线虫从肠道释放发光杆菌,然后细菌引起昆虫的致命败血病。
Upon entering an insect host, the nematode releases Photorhabdus from its intestinal tract and the bacterium establishes a lethal septicemia in the insect.
公司创建于1985年,是以滚动式光杆驱动原理开发制造了自动化线性传动装置。
The company was founded in 1985, is rolling rod drive principle of the development and fabrication of linear transmission automation.
研究的理论框架是光杆短语结构理论,研究步骤如下:1。)前人相关研究的宗述;
We probe the research question by applying Bare Phrase Structure theory through the following steps:1. ) Reviewing relevant studies done by previous researchers;
现场应用情况表明,采用电刷镀镀层的光杆,无腐蚀使用寿命已经达到原来的两倍以上。
The field application proves that the corrosion free service life of plain rod with brush plating is more than two times as long as that of the original one.
现场应用情况表明,采用电刷镀镀层的光杆,无腐蚀使用寿命已经达到原来的两倍以上。
The field application proves that the corrosion free service life of plain rod with brush plating is more than two times as long as that of the original on...
本文先确定了光杆动词句的标准,然后依据光杆动词对主语的语义选择,给光杆动词分了类。
This paper discusses the criterion of bare-verb sentences and classifies the bare-verbs in accordance with the semantic choices of their subjects.
一般关系从句的限制性主要由对比重音决定,光杆“的”关系结构的确定性则主要由时态决定。
The restrictiveness of headed relatives is determined by contrastive stress, and the definiteness of 'bare de' constructions is decided by the tense.
在家里,我是董事长,但只不过是一个“光杆司令”罢了,老爸才是一家之主,而妈妈只是管理家务。
Am a chairman of board of directors in the home, I, but just commander of a " light pestle" just, the old daddy is just householder, but mother just keep house.
通过对细纱机落纱、插管所需功能的分析与研究,开发了适用于光杆锭子单锭移动式新型细纱自动落纱机。
A new type of single-spindle auto-doffing spinning frame was developed throughout the functional requirement analysis of doffing and donning.
光杆NP的典型指称义是通指,以其非个体性而区别于其他各种指称义,其典型的句法位置是动词之前的主语位置;
Generic bare NPs can be distinguished from other types of referentiality in terms of their non-individuality, which typically appear in subject or topic positions.
光杆NP的典型指称义是通指,以其非个体性而区别于其他各种指称义,其典型的句法位置是动词之前的主语位置;
Generic bare NPs can be distinguished from other types of referentiality in terms of their non-individuality, which typically appear in subject or topic positions.
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