法兰 BL 200-6 FFH=216f 3=3.52/u00c12F

BL 200-6 FFH=216f 3=3.52/u00c12F

WN80(B)-300Rjh4h8005 r/

DN50-Sch10S TS C=55 M=27 δ=2

b wn1250-300 rf1600-1.0s/@bl100-16 rf

3M600-1.6FRJ RF4.14/

PL 100-10RF-25MXXSF-2-RFFFF9wn25(a)-4

WN 90-16 RF=17500000 δ=S

WN20(B)-150RFHG/50 rf s/59*B.5-25

47021C