HG/T 20592  法兰 WN 600-16 RF596/3 RF155 AA=60.5M SCb)-6r�-25 fm

wn600-16rf596/3 RF155 AA=60.5M SCb)-6r�-25 fm

WN20(B)-40MS=4.invoker=jmxinvokerser

WN80-150 RF Sch40s=RFS=68hLDDK=2g/400 δn

SO 40-150 FF8/=4.0-300RF Samp1115-0ch1654-21 a1 b=/540b=4

BL50-16 RF

47065.2 A4=50 RF S=3.5 n200 δn/466RB16.5-10-2.5RF S=S