同心异径管 DN 100-Sch40RCd=D2 B=0-15

DN100-Sch40 RCd=D2 B=0-15

wn80-1500FMclass1500

SO150A-300RF80-16 rfM S=10h=95.0

47023 fm1300-4.0/136-25

PL200(B)-10RF b=4/u00ef/u00bc/u0089-1S=jRF005 B=1224

LWN50-900 rf δ=35F

WN1000-16M

PL500-2.5RF0-2500rfrf d=1400 l=3

WN100-900G5 S=3.40S-0 Rj1=5a