HG/T 20592  法兰盖 BL 125-25 RF2.60

BL125-25 RF2.60

SO 600(A)-16 RF

WN300-300 RF B=293

PL665-25RF00a6ï؟½bF.5 RJ 200AF@F=3 S=80/fc

3 CFM 650-1.0

PL300-16 RFfF SCHfm2Sc05(B)

PL 350(B)-6 FF

PL200(B)-10RF16amp

SO 5"-600 RF

SO 6"-600 RF0s SfM S=16 b=406/48S=3.F10@FF SC6-@40Hh4