HG/T 21574  吊耳 HP-51

HP-51=48F31.004h403R25-150=60

WN 1"-150 RF Sch40S

WN 300(B)-16 G S=5

PL20(B)-25 M10-900 fm615/.80sPL250S

PL 400(B)-25 RF

LJ 2"-300 FF S=2RFmpa2cr=2/00ru00c

WN150B-25RF S=10

PL16-150RF80@0=5.5

DN200/PN25/11B S=S=8

wn80-16mS01005.42/.5=32-90R