同心异径管 DN 100-Sch40RCd=D2 B=0-150rfC0/60-15

DN100-Sch40 RCd=D2 B=0-150rfC0/60-15

SW40-25RF Sch40 SCH/

20592 WN300(B)-40 RF S=1 C0RF0RFF1

wn200 -16 rf/

WN100(B)-160FMF24.

WN250-300FF A=287 B=255/

wn40(b)-40rf S650BLF-3RF,S=4

wn80-25rf0900-(B)FRF b=2400-1)-1

lwn125-300fm h

so15(b)-25rf.5 k=168