HG/T 20592  法兰 SO 25-63 RF

so 25-63 RF

BL200-150 RFfвҖ“10-25

LWN40-1500 RJ B=40

BL 500-300 MRF94=6

BL100(B)-16 ffampampampampampampampampampampam

so350-300 RF sch40s1t;-900 RF

SO 300-25 M

WN 3"-150 RFRF6 R1 Sh160F B

wn200-40rj0F RF

2 T 1700-0.2520δ1=16Fu00af/-2009BS=