久久精品国产亚洲精品2020_亚洲三区在线观看无套内射_久久久久亚洲av无码专区网站_欧美大屁股熟妇bbbbbb_欧美成人午夜精品久久久

  • <rt id="6sk0f"><small id="6sk0f"></small></rt>

  • <label id="6sk0f"><legend id="6sk0f"><li id="6sk0f"></li></legend></label>
    
        
        
    

    The evolution of terminal industry

    As an important component of system engineering, the terminal is an accessory product for realizing electrical connection. Today, the terminal expert of lianjie electric company will tell the development and evolution of the terminal.

    In 1982, phoenix electric invented the world's first modular terminal, which has been the prototype of the modern terminal ever since. It is also the first invention patent applied and obtained by phoenix electric company. Phoenix has since maintained innovation in terminals, many of which have become industry standards.

    With the development of the electronic industry, there are more and more kinds of terminals, which can be divided into European terminal series, plug-in terminal series, fence terminal series, spring terminal series, track terminal series, wall penetrating terminal series and so on.

    In the face of the development of The Times, the new technology of electrical products is more and more demanding, so there is the introduction of new technology of piercing insert reflux. It has the following advantages: l abolishes local immersion soldering or pressing. L is fully compatible with surface packaging technology. L can be fully integrated into the automated installation process. No additional space is required in the production workshop. L usually no additional investment fee is required. With this technology, a series of SMC(surface mount compatibility) manufacturing processes are developed, as well as a series of terminal THT made of high temperature insulation material (LCP). It can also provide reel packaging with positioning hole to meet the requirement of automatic assembly.

    As the terminal plays an important role in the operation of the machine, the terminal must meet certain standards in order to avoid the occurrence of safety accidents.


    久久久av无码专区 | 国产理论精品在线 | 国产精品一级毛片A片骨灰盒 | 99久久婷婷国产一区二区三区 | 国产成人大香蕉茄子视频 | 久久人妻少妇嫩草AV蜜桃漫画 | 色欲av伊人久久大香线蕉影院 | 99精品成人无码A片漫画 | 免费看国产黄色视频网站 | 白丝女疯狂 喷水自慰爽 | 国产成人无码精品久久一区二区 | 欧美日韩动漫偷拍 | 影音先锋av资源网站 | 国产人妻精品一区二区三区 | 免费+高清+国产 | 91在线公开视频 | 中文字幕人妻福利 | 亚洲色图丁香五月一区久久 | 亚洲揄拍窥拍久久国产自揄拍 | 麻豆国产AV超爽剧情系列 | 精品人妻专区一区 | 日本成人动漫在线 | 四川少妇搡BBB搡BBB爽爽爽小说 | 欧美午夜理伦三级在线观看 | 又粗又硬又爽18级A片 | 欧美一区二区在线观看 | 精品久久久久成人码免费动漫 | 久久久精品人妻一区二区三区色秀 | 国产麻豆最新av69 | 黄瓜国产在线一区二区 | 91丨国产丨白浆秘 喷淫网站 | 天天干天天干天天干 | 一级婬片A片AAAA毛片A级 | 亚洲性爱视频三级 | 国产在线观看国产精品产拍 | 青青草原在线视频 | 国产午夜精品久久久久免费视小说 | 国国产自偷自偷免费一区在线 | 国产乱子伦视频一区二区三区 | 少妇搡bbbb搡bbb | 国自产拍偷拍精品啪啪一区二区 |