性无码一区二区三区在线观看,少妇被爽到高潮在线观看,午夜精品一区二区三区,无码中文字幕人妻在线一区二区三区,无码精品国产一区二区三区免费

  • 回復
  • 收藏
  • 點贊
  • 分享
  • 發(fā)新帖

L.N.PE對應那三個單詞的縮寫

天天接觸 沒有深入了解
L.N.PE對應那三個單詞的縮寫
全部回復(10)
正序查看
倒序查看
qaz33510
LV.9
2
2005-12-23 11:50
Live, Neutral, Protective Earth
(Live 讀如 Life)
0
回復
2005-12-23 21:16
@qaz33510
Live,Neutral,ProtectiveEarth(Live讀如Life)
謝謝,有知道了一個東西
0
回復
2005-12-24 17:01
@yinaihong202
謝謝,有知道了一個東西
翻譯成中文是?
0
回復
qaz33510
LV.9
5
2005-12-25 10:09
@didofish2005
翻譯成中文是?
火線,零線,保護接地
0
回復
courtney
LV.2
6
2005-12-27 17:05
@qaz33510
Live,Neutral,ProtectiveEarth(Live讀如Life)
應該是Line吧!!
0
回復
qaz33510
LV.9
7
2005-12-27 17:17
@courtney
應該是Line吧!!
隨手抄一段

500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點擊可放大。\n按住CTRL,滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/36/1135675045.jpg');}" onmousewheel="return imgzoom(this);">
0
回復
courtney
LV.2
8
2005-12-27 17:32
@qaz33510
隨手抄一段[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點擊可放大。\n按住CTRL,滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/36/1135675045.jpg');}"onmousewheel="returnimgzoom(this);">
60950標準
Protective systems or devices in PRIMARY CIRCUITS shall be in such a number and located so as to
detect and to interrupt the overcurrent flowing in any possible fault current path (for example,
line-to-line, line-to-neutral, line to protective earth conductor or line to PROTECTIVE BONDING
CONDUCTOR).
請參考
0
回復
qaz33510
LV.9
9
2005-12-27 20:03
@courtney
60950標準ProtectivesystemsordevicesinPRIMARYCIRCUITSshallbeinsuchanumberandlocatedsoastodetectandtointerrupttheovercurrentflowinginanypossiblefaultcurrentpath(forexample,line-to-line,line-to-neutral,linetoprotectiveearthconductororlinetoPROTECTIVEBONDINGCONDUCTOR).請參考
火線又叫活線,是從 live 一字來的,又帶電的部件叫 live parts,也是這個意思.L=Live 應該是沒錯的,當然 line 亦是有人用的.
0
回復
sunboy13005
LV.7
10
2006-01-07 16:33
@qaz33510
火線又叫活線,是從live一字來的,又帶電的部件叫l(wèi)iveparts,也是這個意思.L=Live應該是沒錯的,當然line亦是有人用的.
L=LINE(相線,火線) N=Neutral(負線,零線),
PE=Protective Earth (保護接地)
0
回復
qaz33510
LV.9
11
2006-01-07 17:02
@sunboy13005
L=LINE(相線,火線)N=Neutral(負線,零線),PE=ProtectiveEarth(保護接地)
Live 和 Line (尤其是三相)都有人用就是了
0
回復
發(fā)