支座 A 18000CH43

a 18000CH43

wn25(b)-160RJ S=22.

BI3800-F0-1.=

NB/T47065.2 B6-1200-6 DN=1600 δn=6

21520WN80(B)-10RF

20615 BL500-150 RF

3 FM 1200-1.6/

21520PL600(B)-6RF-10RF6rfFF=40 δ=55

3 B4Fa)-16 rf b=3 d=78 è„—Ã.6)-1

wn600-600rfsch40

TPB-2 DN=150

WN 15(B)