NB/T 47022  法兰 C-FM 2600-1.6/20–†“ї–Ґ

2 CFM 2600-1.620–†“ї–Ґ

WN 50(B)-16 RF00-1

SO 25-150 RF

47021 c-m/@LWN100-150 RF

wn250-300rfs=16h1=180fm600(b)-16rf sc8S

lwn50-300tFFR4S=61)Sch4RF25 FFВәГўВ§bi0F Sch4002 c=2

BL15-1500 RF3FB=281TFF Sch401Sch409 BF

WN 100-25 RF S=6

wn250