free性丰满hd毛多多,久久综合给合久久狠狠狠97色69 ,欧美成人乱码一区二区三区,国产美女久久久亚洲综合,7777久久亚洲中文字幕

0
問答首頁 最新問題 熱門問題 等待回答標簽廣場
我要提問

如何評估LED燈條電阻的精度和穩(wěn)定性?

提問者:jf_FPuwyZRU 地點:- 瀏覽次數(shù):38 提問時間:08-30 12:38
我有更好的答案
提 交
撰寫答案
提 交
1 / 3
1 / 3
相關(guān)
.wrap { margin: 0 auto; width: 1200px; } /* 站點底部 */ .site_footer { overflow: hidden; background-color: #333; line-height: 1; color: #ccc; } .site_footer a { color: #ccc; } .site_footer a:hover { color: #fff; } .footer_bd { padding-top: 60px; overflow: hidden; } .footer_bd .text_list { float: left; } .footer_bd .text_list li { float: left; margin-right: 80px; } .footer_bd .text_list dt { margin-bottom: 15px; color: #fff; font-size: 16px; } .footer_bd .text_list dd { line-height: 32px; font-size: 13px; } .footer_bd .text_list .small_tit { color: #fff; } .footer_bd .text_list .split_25 { margin-top: 25px; } .footer_bd .text_list .split_10 { margin-top: 10px; } .footer_bd .text_list .split_30 { margin-top: 30px; } .site_service { float: right; padding: 0 90px; border-left: 1px dotted #666; } .site_service .tit { color: #fff; font-size: 16px; } .site_service .tel { font-size: 30px; color: #f91e37; font-weight: 700; line-height: 50px; } .site_service .desc { line-height: 22px; font-size: 13px; } .site_qrcode { float: right; color: #fff; } .site_qrcode .word { margin-top: 10px; text-align: center; color: #ccc; } .site_qrcode img { display: block; width: 130px; } .copy_right { color: #666; background-color: #2b2b2b; line-height: 40px; } .copy_right a { color: #666; } .copy_right img { height: 16px; vertical-align: -2px; margin: 0 3px 0 8px; } .pubilcNav { width: 1200px; margin: 25px auto 20px; overflow: hidden; line-height: 24px; } .pubilcNav span { float: left; margin-right: 10px; } .pubilcNav a { float: left; width: 24px; margin-right: 6px; text-align: center; border-radius: 3px; } .pubilcNav a:hover { background-color: #2b2b2b; } /* 20200608 加入華秋電路首頁最新底部*/ .pcb_container { width: 1200px; margin: 0 auto; overflow: hidden; } .pcb_container .hd img { vertical-align: middle; } .pcb-footer-link { float: left; width: 100px; margin-right: 74px; } .pcb-footer-link h3 { font-size: 16px; color: #fff; margin-bottom: 10px; } .common_site_foot { padding: 15px 0; border-top: 1px solid #424242; } .common_site_foot .site_foot_container { display: flex; width: 1200px; margin: 0 auto; } .common_site_foot .site_foot_content { display: flex; align-items: center; } .common_site_foot .site_foot_item { margin-right: 8px; vertical-align: middle; } .common_site_foot .site_foot_item:first-child { margin-right: 32px; } .common_site_foot .site_foot_img { display: inline-block; } .common_site_foot .site_foot_img.huaqiu { width: 134px; height: 58px; background-image: url(/Static/img/foot/hq-logo.png); background-size: 134px; } .common_site_foot .site_foot_img.huaqiu:hover { background-image: url(/Static/img/foot/hq-logo-hl.png); } .common_site_foot .site_foot_img.elecfans { width: 124px; height: 70px; text-align: center; background: #2a2a2a; } .common_site_foot .site_foot_img.hqchip { width: 201px; height: 70px; text-align: center; background: #2a2a2a; } .common_site_foot .site_foot_img.hqpcb { width: 163px; height: 70px; text-align: center; background: #2a2a2a; } .common_site_foot .site_foot_img.smt { width: 138px; height: 70px; text-align: center; background: #2a2a2a; } .common_site_foot .site_foot_img.nextpcb { width: 160px; height: 70px; text-align: center; background: #2a2a2a; } .common_site_foot .site_foot_img .site_img_box { height: 34px; padding-top: 9px; vertical-align: middle; border-bottom: 1px solid #929292; overflow: hidden; } .common_site_foot .site_foot_img .site_img_box .logo-img{ height: 25px; filter: drop-shadow(#fff 160px 0); } .common_site_foot .site_foot_img .site_img_box .elecfans-logo-img { height: 32px; margin-top: -4px; } .common_site_foot .site_foot_img .site_foot_text { font-size: 12px; height: 26px; line-height: 26px; color: #929292; } .common_site_foot .site_foot_img:hover .logo-img{ transform: translateX(-160px); } .common_site_foot .site_foot_img:hover .site_foot_text{ color: #fff; } .common_site_foot .site_foot_link { flex: 1; display: flex; align-items: center; } .common_site_foot .site_foot_link a{ color:#939393; display: block; font-size: 13px; } .common_site_foot .site_foot_link a:first-child{ padding-bottom: 6px; } .common_site_foot .site_foot_link a:last-child{ padding-top: 6px; } .common_site_foot .site_foot_link a:hover { color:#FFFFFF; } .common_site_foot .site_foot_link_left { flex: 1; display: flex; flex-direction: column; align-items: flex-end; margin-right: 10px; } .common_site_foot .site_foot_link_center { margin-right: 10px; }

      <nav id="vk5vo"></nav>