HG/T 20592  法兰 SO 100-25 M1.fs=6pa0- 10ff=5

so100-25m1.fs=6pa0- 10ff=5

bl 10-16 rf00.6F100RRn502.5/50-13Fh40RFnF525

WN200-900 RJ Sch8othgF Scch805 R-

WN150B-25RF S=10-25rrf01

WN 25-150 RF B=21.1F

WN 20(B)-100 RF S=4

a wn 700-150rf0-150RF=1mpnbFC-6JRFchB1e2/

SO 25-150 RF)-16 9

bl150(b)-63 mch1