GB/T 12459  弯头 DN 32-590E3Drf15аёЈВҳаёўа�

DN 32-5 90E3Drf15аёЈВҳаёўа�

BL200-6 RJJ0ch40RF=5 t

BL 900-10 RF62/63Sc�

PL 200(B)-10 RF bl=34=53FF=3-1rf10/0 FF

WN 300-2500 RF Sch120

PL40B-16RF f1=2.5840DLWN/00rj/2.774.5B150 rf2w80 K=1

WN400-16 RF40R0

nb/t47023 fm700-1.6/b=4b)L

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