12mm x 15m(无配件)- DLD25012015
12mm x 20m(不含配件)- DLD25012020
12mm x 30m(无配件)- DLD25012030
20mm x 20m(无接头)- DLD25020020
20mm x 30m(不含配件)- DLD25020030
12mm x 15m(带配件)- DLD26012015
12mm x 20m(带配件)- DLD26012020
12mm x 30m(带配件)- DLD26012030
20mm x 20m(带配件)- DLD26020020
20mm x 30m(带配件)- DLD26020030