怎樣計算燈管的功率
已知燈管的管徑,管長怎么算出它的實際功率
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@hongda2342340
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特價供應(yīng)D882-TO126 220元/1K
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(biāo)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/60/2326101198642807.jpg');}" onmousewheel="return imgzoom(this);">

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@hongda2342340
特價供應(yīng)D882-TO126220元/1K[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(biāo)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/60/2326101198642807.jpg');}"onmousewheel="returnimgzoom(this);">
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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(biāo)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/60/2326101198642874.jpg');}" onmousewheel="return imgzoom(this);">

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@hongda2342340
[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(biāo)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/60/2326101198642969.jpg');}"onmousewheel="returnimgzoom(this);">
D882-126能做多大電流?
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