NB/T 47022  法兰 FF 1400-1.0forum6@47023

47022 ff1400-1.0/forum6@47023

SO40B-10RF455 c=8M1448 δ1=12 WN10 rf s=5��@

WN200(B)-40 M0(b)-150

WN150(B)-63 RF S=11

PL150-10RF.0651 b150 A

JWN 80×125(B)-25 RF S=3.56500)-1 l R

PL100(B)-16 RF)-16

B WN700-300 RF S=14

DN 125×100-Ⅱ-4.5 RE

A WN10