封的例句大全

After the boundary problem being reduced into dual integral equations by employing Cosine Integral Transformation, the solution of closed form is obtained and the intensity factors of both mechanics and electric are formulated.

用余弦积分变换将边值问题化为对偶积分方程，得到了封闭形式解，计算了裂纹尖端强度因子。

The Cosine Law of General Closed Planar Broken Line

一般平面封闭折线的余弦定律

In this paper, the cosine law of general closed planar broken line is acquired by generalizing cosine law of triangle.

将三角形中的余弦定律进行推广，得到一般平面封闭折线的余弦定律。

The time-temperature profiles of open or sealed tapioca starch systems with different moisture contents subjected to microwave processing were established and the structures of tapioca starches after irradiations were investigated by the infrared crystalline indices and polarizing microscope.

利用红外结晶指数、偏光显微镜等表征手段，考察不同高含水量的木薯淀粉在敞口和封口条件下，经微波辐射后的热效应及其结晶结构的变化。

Research of Sealing Structure of Resilient Seated Gate Valve's Gate

弹性阀座闸阀的闸板密封结构分析

They put in claims for possession of the estate.

他们提出封那块土地所有权的要求。

This political philosophy made the Chinese highest power setting maintain centralization all the time during thousands years of feudal rule.

这种政治哲学使得在几千年的封建统治中，国家在最高权力的设置上始终保持一元化。

"The cost of the card, putting the sticker on it, coding the account number and expiration date, embossing it, the small envelope — all put together, you're in the dollar range."

"卡、贴纸、编码账号和有效期、压印卡片,还有小信封，这些加在一起只要不到一美元。"

Existing problems of radial double ended mechanical seal used in reactors and their improvement are introduced, thus lengthening lifespan and reducing the cost of overhaul.

介绍了径向双端面机械密封在反应釜应用中存在的问题及改进，延长了使用寿命，降低了检修费用。

The Study of Bell Socket and Electrode of Solid Electrolyte Hydrogen Sensor

固体电解质测氢传感器的套接密封及电极研究

Metal seated butterfly valve

金属密封蝶阀

Features and designs of a bubble tight, metal seated butterfly valve are introduced.

介绍了金属硬密封蝶阀的结构特点和设计特点。

Research and design of the metal seated ball valve in water-coal slurry working condition

水煤浆工况用硬密封球阀的研究与设计

Research of a Lithium Battery Fully Automatic Bending Ears Capping Machine

锂电池全自动极耳折弯封盖机系统开发

Use of end capping agent to increase the yield of thermostable acetal copolymer

利用封端剂提高共聚甲醛的热碱稳定产物收率的研究

The reaction temperature is 150 ℃ and the reaction time was 5h in the end capping reaction.

封端反应中，反应温度150℃，反应时间5h；

At the end capping stage, the reaction temperature is 120 ℃ at first and then 150 ℃, and the reaction time is 5 h. Under the optimum reaction conditions the yield of the product can be up to 86.7%.

在封端反应阶段，反应初期的适宜温度为120℃、后期以150℃为佳，适宜的反应时间为5h，在该条件下收率为86.7%。

Design of Transmission System for High Production Capability Vapor Liquid Filling and Capping Machine

高生产能力含汽液体灌装封盖机传动系统的设计

Valve Burning. This is usually an exhaust-valve problem. Any condition that prevents normal exhaust-valve seating may lead to valve Burning.

气门烧伤：这种情况通常发生在排气门。任何妨碍排气门密封面贴合的情况都会导致气门烧伤。

To provide consistent seating performance and prolonged valve life, it is recommended that you purge and flush your Pacific Wedgeplug valve each time it is operated.

为了保持协调一致的阀座密封性能和延长阀门的使用寿命，建议用户在每当操作阀门后都清洗和冲刷美国太平洋楔塞阀一次。