弯头 DN 80-Sch8090EL/

DN 80-Sch80 90EL/

鞍座BI 120

SO150B-16 RF/

wn65-16rf/94-2166 RF 10RJ20 Sch20B)/

wn450-150 rf b=423 s=12)-/

wn500-150 rf b=492

A WN800-900 RJ

wn150-150 rf sch10

PL 80-10 RF-10FF S

WN25(B)-16 FF BB=38 S=3/

PL450-6 RF

wn700(a)-16RF b1 S=25A=359.5PL15