Shanghai bochi electrical technology limited company sets up in 1999, is specialized is engaged in the thunder and lightning protection, the conductor connection and the communication product research and development and the production processing, simultaneously acts the overseas well-known brand product company.

上海博馳電氣技術(shù)有限公司組建于1999年国产AV性网，是一家專業(yè)從事雷電防護(hù)性爱黄色三级片毛片、導(dǎo)體連接及通訊產(chǎn)品的研發(fā)和生產(chǎn)加工免费黄色网址1，同時(shí)代理國(guó)外知名品牌產(chǎn)品的公司日韩精品妓女网页在线。

He did invent lightning conductor.

他的確發(fā)明了避雷針国产69精品久久久久9999不卡。

Utilize the principle of wavelength 1/4, when there is high pressure to interfere, the lightning conductor will hold up automatically, The normal work of the system.

利用1/4波長(zhǎng)原理男女18禁啪啪无遮挡激烈动态图红，當(dāng)有高壓干擾時(shí)，避雷器會(huì)自動(dòng)短路久久久久久久精品国产免，系統(tǒng)正常工作人人澡人人看人人摸。

Benjamin Franklin, inventor of the lightning conductor and co-author of the American Declaration of Independence, was an early practitioner.

避雷針發(fā)明者、美國(guó)獨(dú)立宣言的作者之一www,3rb3rb免费视频，本杰明99农村一级毛片。

When designing the system of the grading of the building, I define the level of grounding for lightening of the building. Then I design the lightning conductor of the roof and the ground wire.

在進(jìn)行防雷接地設(shè)計(jì)時(shí)日韩一区黄色小视频，先確定了其防雷等級(jí)，再對(duì)屋頂進(jìn)行了避雷帶的設(shè)計(jì)和負(fù)一層接地設(shè)計(jì)黄网站色视频免费一级毛片。

Its head was tied to a large pole, called the Poteau Mitan - this is considered to be a kind of a lightning conductor connecting the divine with the mortal.

只有參加了幾次之后日韩-本道黄色网站站，你才能看出其中儀式化的本質(zhì)和模式。儀式中會(huì)出現(xiàn)眾多不同的神靈国产又黄又爽又色视频在线。

When lightning strikes a phase conductor of transmission line, the current will encounter the surge impedance of the conductor so that overvoltage will be built up and propagate to the substation along the transmission line in wave form.

當(dāng)雷電擊到輸電線路的相導(dǎo)線上久久免费AV片国产精品，電流遇到導(dǎo)線的波阻抗，這樣就產(chǎn)生過(guò)電壓熟妇操B，并以波的形式沿線路傳至變電站日本高清wwwcom。

It is not reasonable that striking distances of lightning leader to phase conductor, ground line and the ground are equal in classical electric geometry method.

針對(duì)經(jīng)典電氣幾何模型認(rèn)為雷電先導(dǎo)對(duì)導(dǎo)線、避雷線www.淫荡网、大地三者之間擊距相等的不合理問(wèn)題欧美丰满熟妇性XXXX动图，提出了用擊距系數(shù)來(lái)描述雷電先導(dǎo)對(duì)導(dǎo)線與大地?fù)舸?qiáng)度的差別；依據(jù)長(zhǎng)間隙放電與雷擊放電的相似性sese96，開(kāi)展了棒-板間隙實(shí)驗(yàn)以得到擊中目的物概率為50%時(shí)雷電先導(dǎo)與地面午夜性色一区二区免费视频、導(dǎo)線之間的位置關(guān)系。

The author presented the formulas used for calculating the lengths of rod parts of steel frame structure lightning conductor with different heights and sectional lengths,and explained detailed calculating methods combined with actual example.

根據(jù)鋼筋構(gòu)架式避雷針的不同高度和節(jié)長(zhǎng)一级国产，分析推導(dǎo)出計(jì)算各桿件長(zhǎng)度的實(shí)用公式全免费毛片免费看，并以實(shí)例說(shuō)明具體計(jì)算方法，為設(shè)計(jì)計(jì)算提供捷徑欧美一级黄色大片网址。

Also, an ESE lightning Conductor must remain operative in bad weather conditions, since it would become ineffective if short-circuited by rain.

此外美女露内裤扒开腿视频在线观看，由于空氣污染雨水可能造成避雷針失效，所以 E.S.E 避雷針還必須確定在惡劣氣候下還能正常工作黃色A片一级一级一级。