HG/T 20592  法兰盖 BL 200(B)-10 FF=55 δ1=1

wn40(A)-63rf0-fF=539 R PL65(B)-16

BL200(B)-10 FF=55 δ1=1

SO50(B)-16RFS=400=26004mpampampampampampamp50(b

NB/T47023 FM800-1.6-10RF F6 RF.1=1/ch80

1 RF 900-1 N=134/0000

LWN100-900 RJ6-fl)sch4000e2/

WN100-25RF S=10.5 &ampampampamp;amp;amp;amp;