等径三通 DN 65-Sch20TS00-0rj-1 DN=

DN 65-Sch20 TS00-0rj-1 DN=

eha1500220503-19915 RF100=6RF Sch400b)-1/

2b3dn=1400δn=1016 RFB)-1

so20(B)-16fm

PL300-10FF rfRF Sch5rf16 156FS

WN20-16 RF S=3.91

WN50-2500 FM31060amp60ampRF S=≥9.

DN80HG/@WN100(B)-16 RF=6-1653F/p.

WN150-16 RJ.4/1

NB/T470