HG/T 20592  法兰 PL 250(B)-16 T=1

PL250(B)-16 T=1

wn350-25ff/6ƒÆ’F80SGB/Fmp40 FFRhg=t21

WN 50-150 RF Sch40(B)-2 RF)-1500RF

PL100(B)-16RFA��=76ch

DN 100-Ⅱ-6 90EL

1 m300-1.0, s=12

SO 50-25 RF

wn 100-150 rf b=102/BF-h20FS=.0000/

EHA1200=78.5-RF S=

SO350-25RF MX=N=65 δS0=12=a=