等径三通 DN 100-Sch40TSL1.0/

DN100-Sch40 TSL1.0/

47023fm550-1.0/RF/pa

bl15-63rj90 RFt21633-1

3 RF 2000-2.5 δ0=20

WN 50-25 G

WN500(B)-16RF S-800-1.016M0rfff c=

3 c-fm 800-2.5/h40S TS/009= C=537.5°-16rf s

NB/T47023 FM1000-1.01.0 dn=/)F

1 FM900-1.010804-115eRv

WN 25-25 RF

WN 250-