弯头 DN 125-Sch6090EL8cS=15f-sch41sF

DN 125-Sch60 90EL8cS=15f-sch41sF

WN300b-10RF50-1.0/176-27

3 RF 450-1.6 δ0=8 δ=38

47021c-fm300-15 RFS=5=6 Mf Sch8080SRF=10

wn350-600 fmFRFh80S2.=26000-6.40

BL100A-16FM-40R

pl800(a)-2.5rf1001æÃ

WN250(A)-63M/00/0-1.

wn20(b)- 160rfA76