NB/T 47065.1  支座 A 1918

2 A1918

WN 250(B)-16 RFBB/0 K=345-F30

SP-8106

2 A2719

WN 1/2"-150 RF S= S=4

BL200-150FFC=16n=8

BII 36419

WN 200-900 RJf-FF20

DN25-PN25 WN F Ⅱ S=3

BL25-6FM=9 A=570-1.6/50-111p5tch6 RF RF25m500-Ff1300-80h4 B2775 RF3863C=1= n=80 rf h=3004F S=1535