節(jié)能燈從通電到光通量達(dá)100%需要多長時(shí)間
節(jié)能燈從通電啟動(dòng)后到光通量100%全亮需要多長時(shí)間?能否幫忙給個(gè)答案,什么標(biāo)準(zhǔn)里有這項(xiàng)規(guī)定啊!!
全部回復(fù)(6)
正序查看
倒序查看
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖，點(diǎn)擊可放大。\n按住CTRL，滾動(dòng)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/61/174851201057070.jpg');}" onmousewheel="return imgzoom(this);">
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖，點(diǎn)擊可放大。\n按住CTRL，滾動(dòng)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/61/174851201057082.jpg');}" onmousewheel="return imgzoom(this);">
相關(guān)標(biāo)準(zhǔn)下載http://unique.blog.dianyuan.com/blog_comment_list.php?blar_id=78822
0
回復(fù)
