标签：ref width 技术 img href screen dia info and
<link rel="stylesheet" href="./style320.css" media="screen and (min-width:320px)"/>
<link rel="stylesheet" href="./style640.css" media="screen and (min-width:640px)"/>
标签：ref width 技术 img href screen dia info and
原文地址：https://www.cnblogs.com/Rivend/p/12271210.html
