封

The slip is used to retain the whole mechanism on the pipeline, the plug is placed inside the barrel, and the dual acting telescopic cylinder is used to deliver the plug into the pipeline to be blocked.

卡瓦用于将整个机构卡装在管道上，封堵器装在筒体内，双作用伸缩式液压缸完成将封堵器送进待封堵管道的动作。

互联网摘选

An e-mail is already circulating amongst news staff calling for voluntary redundancies.

在新闻部员工中已经在转发一封电子邮件,呼吁大家自愿裁汰.

《柯林斯高阶英汉双解学习词典》

This paper introduces the technique parameters of different edge gluers. It analyzed the effects of substract, adhensive and edge material on glue quality and its strength.

系统地介绍了各类现代封边机的技术参数，分析了基材、胶粘剂和封边材料等因素对封边机封边质量和强度的影响。

互联网摘选

Drop us a line, it's always great to hear from you.

给我们写封短信，能收到你的信总是让人很高兴。

《柯林斯高阶英汉双解学习词典》

Edge of high-quality PVC, Italy dragon Edge machine, the Spanish hot-melt adhesive edge.

优质PVC封边条, 意大利飞龙封边机, 西班牙热熔胶封边.

互联网摘选

The victory inspired him to dispatch a gleeful telegram to Roosevelt.

胜利促使他给罗斯福发了封喜报。

《柯林斯高阶英汉双解学习词典》

The letter was franked in London on August 6.

这封信8月6日在伦敦盖过免费邮戳。

《柯林斯高阶英汉双解学习词典》

The envelope has been tampered with and then taped shut again.

信封被人动过手脚，然后又用胶带封上了。

《柯林斯高阶英汉双解学习词典》

The house has been barred and bolted to prevent re-entry.

房子已经被封了，门被闩上，防止有人入内。

《柯林斯高阶英汉双解学习词典》

EPDM main products are sealed, EPDM closed production lines, silicone seal.

主要产品有三元乙丙密封条 、 三元乙丙密封条生产线 、 硅胶密封条.

互联网摘选

On the basis of the Kai Yang Expressway construction practice, the application of single hot bituminous surface treatment with premixed macadam to the lower seal coat is discussed and a foundation for the further study of bituminous seal coat design and construction given.

通过开阳高速公路下封层的施工实际，介绍和探讨预拌碎石热沥青单层表处在下封层施工中的应用，为沥青路面封层设计和施工提供有益的探索。

互联网摘选

In order to overcome the bottleneck of the 2-D package technology, a three-dimensional ( 3-D) package technology has been proposed.

为了克服平面封装技术的瓶颈，人们开发了一种三维封装技术，即叠层封装。

互联网摘选

Using silver tape, they taped all the doors and windows shut.

他们用银色的胶带将所有的门窗都封起来了。

《柯林斯高阶英汉双解学习词典》

In electronic encapsulation fields, the traditional thermosetting resin is gradually substituted by thermoplastic materials because the later is a recyclable materials, thus more and more countries developed many thermoplastic include PPS for electronic encapsulation.

在电子封装材料方面，随着人民生活水品的逐渐提高，各国对环保的要求越来越高，因此用可回收的热塑性树脂对电子元器件进行封装是电子封装材料发展的重要方向。

互联网摘选

This little letter gave us a few chuckles, I can tell you.

说真的，我们看了这封短信都笑了。

《柯林斯高阶英汉双解学习词典》

With the development of electronic packaging technology, packaging pin number increasing, lead spacing smaller, encapsulated in the substrate of the area will be smaller.

随着电子封装技术的发展，封装引脚数越来越多，引线间距越来越小，封装体在基板上所占的面积也会更小。

互联网摘选

The letter merely restated the law of the land.

这封信只不过重复了一下土地法。

《柯林斯高阶英汉双解学习词典》

I am expecting several important letters but nothing has arrived.

我正在等几封重要的信件，可是一封都没到。

《柯林斯高阶英汉双解学习词典》

The effects of termination reaction temperature, terminating reagents, normal/ reverse addition and dilution of terminating reagent on the content of end-epoxy group in the products were investigated.

分别研究了封端反应温度、封端剂、滴加方式、封端剂的稀释等因素对端环氧基含量的影响。

互联网摘选

By means of stress analysis on ellipsoidal head, the failure strength of ellipsoidal head depended on the strength at the top section of head, and is not decided by the strength at transition section of head.

对椭圆形封头进行应力分析，认为封头失效时的强度取决于封头的顶部强度并非过渡区（即转弯处）。

互联网摘选

He was knighted in the Queen's birthday honours list in June 1988.

他于1988年6月被封为爵士，是女王生日宴会上的受勋者之一。

《柯林斯高阶英汉双解学习词典》

An ideal floating-head exchanger pressure test positioner, general purpose O-type ring seal pressure test positioner was introduced, and a comparison between packing seal pressure test positioner and C-type ring seal pressure test positioner was also made both in theory and application effect.

介绍了一种理想的浮头式换热器试压胎具&通用O型环密封试压胎具，并在原理上和使用效果上与填料密封试压胎具和C型环密封试压胎具进行了比较。

互联网摘选

The simulation results show that the temperature field of the ceramic packaged sensor is similar to that of unpackaged one, which proves the feasibility of this packaging scheme.

模拟结果显示，该封装后的传感器的温度场与未封装传感器相似，证明陶瓷封装结构是可行的；

互联网摘选

By analyzing the pressure distribution between gears and sealing blocks in compound gear pump with three idlers, the resultant hydraulic forces acting on seal blocks are obtained.

通过对具有3个惰轮的定轴轮系复合齿轮泵各齿轮齿顶圆与密封块间的压力分布规律的分析，求出各齿轮与密封块间的液压油对密封块产生的液压力合力。

互联网摘选

Based on the relative material, the article introduces the application of thin paste seal technique, and summarizes the use effect and the social and economic benefit of thin paste seal.

文章在收集相关资料的基础上，对稀浆封层技术在山西省的应用情况，稀浆封层的使用效果，稀浆封层的社会及经济效益等进行比较、总结。

互联网摘选

Joan of Arc was finally canonized by Pope Benedict XV in 1920.

圣女贞德终于在1920年由教皇本尼狄克十五世封为圣徒。

《柯林斯高阶英汉双解学习词典》

Critical sealing threshold in each evaluation stage was established for evaluation on the fault sealing property, which may evaluate the key factors of the fault sealing property.

在每级评价中建立断层封堵性评价的临界封堵界限，可实现对于断层封堵性关键因素的评价。

互联网摘选

Write your letter and seal it in a blank envelope.

信写好后把它装进空白信封里封好。

《柯林斯高阶英汉双解学习词典》

I had a letter from Jane. She asks after you.

我收到了一封简写来的信。她向你问好。

《柯林斯高阶英汉双解学习词典》

A few days earlier he had received a telegram from Lord Lloyd.

几天前，他收到劳埃德勋爵发来的一封电报。

《柯林斯高阶英汉双解学习词典》