HG/T 20592  法兰 PL 40-16 RFPL0FRFBFFRF

Pl40A-16rfPL0FRFBFFRF

PL40-63FFM-J=10´=60

wn450b- 16 rf0f b=085/data

PL50(B)-40 M1/N400=18bR1.6bL=RF Sch

47021 RF400-1.0 S=6.0.6/8.5FMh=4

+PL300(B)-10RF b155 Sct/admin

WN 80-100 FM Schh40sN0rf R

PL65-10FF B=77.1

2 RF 1200-1.6 δ1

1 RF 550-0.656-;