法兰 WN 50(B)-63 FM00 rrf s=.2.5r60F1/88=34 c=2D=164-sch120S=3.56.500-16rfmb=

WN 50(B)-63 FM00 rrf s=.2.5r60F1/88=34 c=2D=164-sch120S=3.56.500-16rfmb=

3 FM 1000-1.6 δ0=12

HG/T20615 SO40-150FF/

PL100(A)-6 RFF0(B)-1

WN 25-300 RF

PL350-10RF

47021fF450-1.6b=43

PL100(B)-10 RF D=400 K=360 RF B=300-RF100RF 300/

PL500(B)-16 RF C=28fo