HG/T 20592  法兰 PL 65(B)-25 RF RF)-160 Sch80S@RF@F80l.50�S0 RF S00 LFM00-1.9@W rf´F S

pl65B-25RF RF)-160 Sch80S@RF@F80l.50�S0 RF S00 LFM00-1.9@W rf´F S

SO 18"-150 RF f=1.8 d

BL 100-150 RF 90ES/=

LWN 25-600 RF B=10

2 C5MFM05920&a 20amF Sch40RF4M

pl200(b)-16ff bb1

BL 400-10 RF5rf0FF

WN 252(B)-16 fm

BL450-25 RF50-0.65 F

WN50(B)-