管的

At the same time also greatly extend the service life of switch.

同时也大大延长开关管的使用寿命。

Lead oxide in seal frit used for making window assemblies for Argon and Krypton laser tubes .

封装氩和氪雷射管的氧化铅。

Research on opto-electronic characteristic of home-made si vidicon is carried out.

三、对国产硅靶摄象管的光电特性进行了研究测试。

Strong technical force, complete production equipments, and can design and manufacture of its own production of high electric resistance alloy materials, as well as electric heating elements, radiant tube design and manufacture.

技术力量雄厚，加工设备齐全，并能自行设计和制造生产各种高电热电阻合金材料，以及电加热元件，辐射管的设计制造。

This paper introduces the production technology and the characteristics of prestressed concrete cylinder pipe.

本文介绍了预应力钢筒混凝土管的生产工艺及其特性。

The principle of the multipliers is as follows: a light quantum hits the lightsensitive layer and releases an electron.

光电倍增管的原理如下：一个光量子打在感光层上，释放出一个电子。

Easy installation, a short work cycle only traditional galvanized iron sheets duct 1 / 5, the scene changes very convenient.

安装便捷，施工周期短只有传统镀锌铁皮风管的1/5，现场改动很方便。

We can expect it have a widely application in field emission display.

本文全面介绍了碳纳米管的结构，物性，应用。

An theoretical analysis and experimental verifications are made to investigate the folding deflection behavior of inflated tubes.

对充气展开管的弯折挠曲特性进行了理论分析和实验验证。

Objective By comparing the applications of catheter insertion via external jugular vein and basilic vein, provide clinic foundation for that external jugular vein is the best choice of peripherally inserted central venous catheter operation.

作者：作者：曾令瑜作者单位：达州市中心医院，四川达州 635000 来源：医学期刊/医药科学综合收藏本文章目的：经过颈外静脉与贵要静脉行中心静脉置管的应用比较，为经外周静脉置入中心静脉导管术首选颈外静脉提供临床依据。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。