HG/T 21574  吊耳 SP-33

SP-3399@RF@PF10rfRFf1 B=14 RFJrf@RF@410Ff5F.-16 ff

WN 200-300 RF 80S- 124

2 A6084RF0 SRF-Rmf0 RF

DN15/PN16/11B Sch10S/5

1 RF 1200-0.6 δs=12

WN 150-150 RF Sch40S

BL25-150RF

SO 80-150 RF40shg-114IFF@P2@Fj

WN200-10RJ10RF900 SG00 SGc

WN65-63 RF S=4.63F