On a basis of investigations and studies, an improved design for the shaft sealing structure and the integral structure of Model 150 Slurry Pump is worked out in this article.
作者在调查研究的基础上，对油田用150型砂泵轴封结构及泵的整体结构提出了设计改进方案。
Local temperature rising and energy loss in sealing gap between piston and hole was analyzed and its mathematic model was set up.
研究了液压凿岩机活塞与缸体间隙密封段的局部温升和能量损失，建立了其数学模型。
The improved transient sealing analysis program for reactor pressure vessel is applied to analyze the 1/4 structure of the model under the cool and the thermal work conditions.
应用改进后的反应堆压力容器瞬态密封分析程序对压力容器模拟体1/4模型进行了冷态和热态密封分析。
An axial symmetrical model is set up for the sealing structure of the bulkhead plate for a columniform dewar.
建立了针对柱形真空杜瓦容器端盖密封结构的轴对称模型。
Model HNX344—114 cup packer is developed in the light of frequent failure and bad sealing effect of self sealed cup packers.
针对自封式皮碗封隔器存在下井阻力大、皮碗易损坏和密封效果差等缺点，研制了HNX344—114型皮碗封隔器。
By using this model, the aging properties of "o" type rubber sealing ring at different time was calculated and compared with the experiment results.
运用该模型计算了“O”型橡胶密封圈在不同时间下的老化性能，并与实验结果进行了比较。
Special model machine for waistcoat-shaped bag, for continuous automatic sealing and cutting to make bag with all kinds of plastic film, For making "waistcoat shaped bag".
用途： 对各种塑料薄膜连续自动封切成袋，然后将成袋自动冲口成“背心袋”。
The product adopts imported silicon rubber and its model is made wholly by once , it owns good sealing performance and reliable insulating ability with Low partial discharge .
进口硅橡胶整体一次成型，具有良好密封性能及可靠的绝缘性能，局放低。
Our company production model for universal buried scraper conveyor, has advantage of simple structure, light in weight and small size, good sealing, convenient installation and maintenance, etc.
我公司生产的机型为通用型埋刮板输送机，具有结构简单，重量较轻，体积小，密封性好，安装维修比较方便。
The utility model has the advantages of low manufacturing cost, simple manufacturing process, firmness and a good sealing effect.
本实用新型制造成本低、制造工艺简单、不容易损坏，且密封效果好。
The utility model solves the problems of bad sealing performance, which can cause the waste of work medium and the environmental pollution easily, and short service life for the prior screw.
本方案解决了现有螺丝密封性能差，容易造成工作介质的浪费及环境的污染，且使用寿命短的问题。
The utility model has the advantages of simple structure, easy sealing and use, and low production cost.
具有结 构简单、便于密封，使用方便，生产成本低的优点。
The utility model has the advantages of simple structure, good sealing and convenient usage.
且具有结构简单，密封好，使用方便的效果。
The utility model has the advantages of good sealing effect and high cure rate of liquid installation.
它具有密封效果好，通液治愈率高的优点。
Based on the practical operating condition of the stern tube sealing system, a new model of heat transfer is presented in this paper.
本文根据尾轴密封装置的工作实际，提出一种新的传热模型。
The utility model has the advantages of stable regulation, better sealing performance, higher safety, convenience for cleaning, and longer service life.
本重量式可调压限压阀调节平稳、密封性好、安全性较高、便于清洗、使用寿命长。
This paper describes the characteristics, rapid simulation life test, sealing test and over-load test technology of a new model rake-loading reducer used for a scraper loader.
介绍新型耙装减速箱的特点及快速模拟寿命试验、密封试验、过载试验技术。
The utility model has the advantage of simple and compact structure, and due to the adoption of the water sealing structure and the moisture separator, the use is safe and the energy is saved.
本实用新型结构简单、紧凑，采用水封结构和水气分离器，使用安全，节约能源。
The utility model relates to a vacuum sealing ring, which is a circular rubber ring.
本实用新型所涉及的真空密封圈为圆形橡胶圈。
The utility model provides an envelope capable of sealing the opening of the envelope without applying other glue or paste.
本实用新型提供了一种不需另涂胶水或浆糊，就可将封口粘牢的信封；
The utility model provides a sanitary convenient envelope with glue which is convenient for sealing and can not stick letter paper.
本实用新型向公众提供一种便于封口，既不会粘住信笺，又讲卫生的带胶方便信封。
The utility model provides a sealing device of an exhaust system applied to the motor vehicle engine field.
本实用新型提供了一种应用在机动车辆发动机领域的排气系统密封装置。
The utility model has the advantages of large compensation quantity, stable sealing performance, stable running, easy execution, high temperature and high pressure resistance and the like.
本实用新型的优点是：它具有补偿量大，密封性能稳定，运行平稳，容易实施，耐高温高压等特点。
The utility model adopts an umbrella type structure principle to plug by an outer body sealing way.
本实用新型采用了伞型结构原理，以外体封闭方式堵漏。
The utility model has the advantages of reliable sealing and convenient disassembly.
本实用新型的优点是密封可靠，拆卸方便。
The utility model discloses a reliable sealing device between two contact surfaces, which relates to a sealing device of hydraulic equipment.
本实用新型所述的两接触面间可靠密封装置，涉及液压设备密封装置。
By adoption of the technical proposal of the utility model, a sealing device of the plunger hydraulic cylinder is convenient for assembly, and the sealing performance is improved.
采用了本实用新型的技术方案，使得柱塞式液压缸的密封装置便于安装，提高了密封性能。
The utility model relates to a sealing fountain type environment-friendly electroplating equipment, which comprises an electroplating cylinder body, electrodes and a solution storing cylinder.
本实用新型涉及密封喷泉式环保电镀设备，电镀设备包括电镀缸体、电极、溶液储蓄缸；
The utility model belongs to a medical appliance which solves the shortcoming existing in current safety infusion apparatus of bad sealing and safety performance.
本实用新型属于医疗器械，主要解决现有“安全输液器”存在的封闭不严实、安全性能欠佳的缺点。
The utility model belongs to a medical appliance which solves the shortcoming existing in current safety infusion apparatus of bad sealing and safety performance.
本实用新型属于医疗器械，主要解决现有“安全输液器”存在的封闭不严实、安全性能欠佳的缺点。
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