陕西厂家生产电力电缆穿线管批发

本公司专业生产天津衬塑复合管DN15-DN200、内外涂塑复合管DN15-DN1000、衬塑管件DN15-DN100、沟槽涂塑管件DN50-DN300、法兰涂塑管DN50-DN900、可焊接涂塑管DN80-DN900、内外涂环氧树脂消防管、内外涂电力套管、及配套用法兰涂塑管件和可焊接涂塑管件。 var pcon = document.getElementById("procontent").scrollHeight; if(pcon > 360) { document.getElementById("procontent").className = "over"; document.write(
); } function sh(){ var pcon = document.getElementById("procontent"); var pconcl = pcon.className; var shbutton = document.getElementById("shbutton"); if(pconcl == "over") { pcon.className = "show_over"; shbutton.value = "隐藏"; shbutton.className="h_over"; }else{ pcon.className = "over"; shbutton.value = "查看详情"; shbutton.className = "s_over"; } }