HT系列大包围数控光纤激光切割机 默认 table.mytb{width:99%;clear:both;padding: 0; margin: 0 0 10px;border-collapse:collapse; border-spacing: 0;} table.mytb tr{padding: 0; background:#FFFFFF;} table.mytb td{padding: 6px 6px 3px 6px; border:1px solid #CCCCCC;} .xiangq{ margin:20px auto;} h2{ text-align:center; color:#114e93;}