<script>$(function () { var content = $(.refs).html(); var more = true; //限制字符个数 var hide = function () { $(.refs).each(function () { var maxheight = 120; if ($(this).text().length > maxheight) { $(this).text($(this).text().substring(0, maxheight)); $(this).html($(this).html() + '...'); more = true; $('.more').html(查看更多); } else { $('.more').hide(); } }); }; hide(); $('.more').click(function () { if (more) { $(.refs).html(content); $(this).html(收起); more = false; } else { hide(); } }); })cript>
68083-18-1
乙烯基封端的二甲基甲基乙烯基(硅氧烷与聚硅氧烷)(VINYLMETHYLSILOXANE, DIMETHYLSILOXANE COPOLYMER, VINYL TERMINATED)
CAS: 68083-18-1
化学式: C13H30O3Si4