HG/T 20592  法兰 PL 300(B)-16 FF b=854 H=F

PL 300(B)-16 FF b=854 H=F

Wn25-600 RF S=142005-00RJ652-200=13efined RS

WN200-300 RF305�¿1=9FR-15

PL50(B)-63 M(B)-63 FMO300-

pl300(b)-10 tC=10s

wn50-16tRF S=L125(A)-25 RF09 b

LWN50-300 RF=4-1.

wn150(b)-100ms=83=340RF.5 S=1

BL15-150RF3.5S=3 M800-1=