法兰 FM 1000-0.6 /u00c3/u00a8/public/js/public/common/qq.png

wn350(a)-16rfs=8 S=14.5F200-0.2

pl400(b)-16 rf s=468B)-16 RF0 δ=87.7tic70-8/16

lwn150-600rf hfh12020Rtm0FRJ S

WN200-300 T Sch40S

NB/T47023 FM6500-1.00h840 AA=212 L=34038FRJ S

1 CFM 400-1.01.

wn150(b)-100m/

BL450-150 FFRJ

WN25(A)-63 RJ NF5-40m2.5F

WN