弯头 DN 400-Sch4090EL/0-0.256rf.4Rf h1=0F s/10/45-51 PS=37HRF16

DN400-Sch40 90EL/0-0.256rf.4Rf h1=0F s/10/45-51 PS=37HRF16

47023 FM2600-0.6-2.5tR

PL65-25RFch

SO32-16FMT/aD=4

wn600-150rf hg/4mm1.6/A-

hg/t20615-2009：wn80-300rfRF C=290B-16RFF.3

wn250(a)-160 fm/

BL100-150 RFf/@.600(B)

bl80-100rf c1.6 t=10017 WN