法兰 PL 300(B)-16 RF D/

SO250(B)-16 t80SM6 rf9 B

PL300B)-16RF D/

WN50(B)-100 fF Bf00 RF30ShG346F=2F/

y1610-4-c1127 hg/@47023 rf1000-1.

NB/T47023FM700-1.6h80S R0sF610rf-10-1f s==5.5 h1

WN20-16 RF S=3 R

WN32-63 RJ D=1

so15(b)-16 rf d=75 k=56.5 d=45 bb=22.5b=-

WN20-300RF-140