NB/T 47022  法兰 C-T 1200-0.25/20δ

2 CT 1200-0.2520δ

3 T 1600-4.020

PL40(B)-10 RF B1

WN 65-300 FM Sch40S==12ch6f).)-4 c

WN 250-150 RF Sch80fh40 R/6-15 fm16RF0.6/60

WN 150-10 RF-1-3 RC46 Kn6m5 SO 80(A)-16 RFr

WN100-16RFF650-150rf500S0

WN40-300MMfH‚

PL 500(B)-16 RFB)mpH5F5

HB/T20615L