弯头 DN 50-Ⅱ-690EL/

DN 50-Ⅱ-6 90EL/

WN500(B)-600 RJ/(B)-16RF S=61F5

WN600-150 RF SCH80S Su00c5F5.6200

bl80-300g016RF/-RF

wn100-300RF HG/6Rc0W734.2 RF Sch80 R

BII1900.0 RF C=0070-1650100 RF S=106-f

WN125-300RFSC/

so150(b)-6 rf s

PL100(B)-16 RF427 R1=80

bl300-100rf t=9