GB/T 29465  法兰 C-FM 2750-1.6/20δ0=8

5 CFM 2750-1.620δ0=8

SO 250-25 RF

WN 32(B)-40 RF S=5

WN400-900 RJ Sch60(B.25/9 LWN20

BL600(B)-25 T/

pl50(b)-16 rf d=รآڈโآ€

47023cg1500-1mC=2

DN 90×90×1000-Sch40S TR

pl 20592-10 RF/0 h=1200 RF S/5rf0sh1

WN 80(A)-25fm.50F5S=1458 H=27