法兰 BL 50-6 FM025fso50-150rf00 c=

bl50-6fm025fso50-150rf00 c=

NB/T47023 FM1300-40s5RF S=5-10(B)-600 R

wn20b)-10rf0J.25-16 RF,S

TPB-2-2=1005 k=950 aa=824

WN450-25RF S=12 &a

1 RF 1100-0.6 δs=8

BL50-600FM0s/S=5Sch80)-16

BL600(b)-10RFsF

20615 wn150-900rf sch80-1-F=56 h=650F04Sh40

PL