HG/T 20592  法兰 WN 150(B)-16 RF s=60(B)-10 RF S=5/ s=4/RF

و³•ه…° WN 150(B)-16RF s=60(B)-10 RF S=5/ s=4/RF

47023M450-4.05MFch1

PL 300-10RF= n=FBBâ/u00bf/u00bd/u00c3

wn150-600rf s=7.115626rf663

3 fM 700-6.4-=3â=3.5 b=32-150uot0 H=165FRF-15

bl25(b)-63rfb)-40RF5/M/ (B)-166-amSch40 H=527008

PL25(B)-1