GB/T 9124.1  法兰 DN1200-PN10 PL Ⅰ 71 δ0=1825=78 H=180 n=FF0)60Sh

DN1200-PN10 PL71 δ0=1825=78 H=180 n=FF0)60Sh

WN 40(B)-10 FF A=90 H=36 K=125 L=13

bl 450-25rfrf-sch80=80 S=wn80-25r0592-

WN65-600 fmF0-16h40mniiF6R

SW20(B)-63FM25 RF7R66=812.8-10 RFR-150

bl350-10 rf d=665 c=3 c=)-900 fm1

WN 25-150 RF S=6h80=52 H=11=4