GB/T 12459  异径三通 DN 600×600×80-Sch80TR

DN 600×600×80-Sch80 TR

WN 150(B)-25 RFFM S=5400S=L9B=52mp;ampampampampnbsp

SO150-150 RFRJ b1

2 T 1200-1.6 δ1=

WN 16"-150 RF00500H1=12F S

DN150-PN40 PL RF Ⅱ

SP-785 FF0-1FrfRF

WN200-150 M Sch4f

wn200b-25fmâ/

wn 32(B)-16RF1F680cMampap1700-1.