NB/T 47023  法兰 RF 550-1.0 δ0=100O2m RF-4-RFBFS�F S0

3 RF 550-1.0 δ0=100O2m RF-4-RFBFS�F S0

wn100b-40t/ch40ch8sq

TPB-2Sch40Sp RF Sch80150 RFF

pl550-10rfrf�F@H@RHR�2

WN80-150 RF B=79

BII 2762216RF)-10

3 B10663=8.650 RFF Scf s=6mh85 RF

LWN 25-150 RF H=486

LWN 80-300 RFa0 RFR HG/

WN 300-16 FMFLch1/