HG/T 20592  法兰 PL 80(B)-6 RF RF S2-200==12Ž

WN600-150 FF A=608ch80F=1606-1@b1.

PL 80(B)-6 RF RF S2-200==12Ž

wn25(b)-40 fm，s=3RF5 B=39RF S=8

SO 300(B)-10 FF

WN40-150RF B=416RF414 S=3.1FS

LWN50-300 RF Sch

swn100-150 rf

BL65-300RF PL20RF300M.5 RF SRF-16 R

wn700A-25RFF.24F0 RF0F RFRFB�