HG/T 20592  法兰 PL 50-40 RF=3773534-90 rf0393 90E000-150

PL50-40 RF=3773534-90 rf0393 90E000-150

WN 10-900 RF Sch160h612=0-m-4221c=16 lhMFh4=3

A WN 800-300 RF°ch80F Sch80s Sch400 RF B-18.8840SRFr

3 FM 1600-4.0 δ5

PL350(a)-10RFRF6F63rS=5 sB)-25 TS=12.76R(b)-10rf1fmp0-140(B)-16=550 n=1

wn80-150 FF�0-16@4