琼海152*12mm的石油裂化管每根有多长？ www.myhejinguan.com www.316lbuxiugang.com 规格 89×4.5-8-10-12-14-16-18-20 95×4.5-6-8-10-12-14-16-20 102×4.5-5-6-7-8-10-12-14-16-20 108×4.5-5-6-7-8-10-12-14-18-20-22 114×4.5-5-6-7-8-10-12-14-18-20 121×4.5-5-6-7-8-10-12-14-16-20 127×4.5-5-6-7-8-10-12-14-16-20 133×4.5-6-8-12-14-16-18-20-25-30 140×5-6-7-8-9-10-12-14-16-20-22 146×4.5-6-8-12-14-16-18-20-25-30 152×4.5-6-8-12-14-16-18-20-25-30 159×4.5-6-10-12-14
琼海152*12mm的石油裂化管每根有多长？
www.myhejinguan.com www.316lbuxiugang.com
