HG/T 21574  吊耳 LP-19

LP-19 RFFS3040

so25-16g

SO 40(B)-16 Mg(B=0-20L3J00/data/src/hai

WN750-150RFch8�=100 d=FBL RFII Sch40-2

BL350-16 RFFM6

PL80-16RF0 R=010 BL1000400-10c2/u0

DN 90×90×350-Sch20 TR

WN25(B)-63 RF 32*40 rf/fh¦6 RFRF RFm 20/650j

WN250(a)-10rfh4

BI600-FR