法兰 WN 250-25 RF4.06 R b=3

wn250-25rf4.06 R b=3

wn200-150 rfãâ0B=142.550 RF600.2

wn20B)-63RF4(b)-2FRFfF R

PL100-16RF b=2 C=20/

wn80B)-25RF

WN50-300 RF

3 RF 600-1.0B)-25RFRF S=767RJ600-16 sc0-0.67

a 1800Sch80=106.

WN100-16RFL=36 C=75 H=175 K=310 Y=.0/u00e2

wn150-63 RF

wn300