精细不锈钢罐ETFE涂层20L内径φ300×深度300H

黑色橡胶管5×9mm #5X9排气橡胶管4.5×12mm 排气橡胶管6×12mm 排气橡胶管4.5×15mm 排气橡胶管6×15mm 排气橡胶管4.5×18mm 排气橡胶管6×18mm 排气橡胶管6×21mm 排气橡胶管7.5×21mm 排气胶管9×21mm