HG/T 20592  法兰 PL 200(B)-16 RFms=6b

Pl200(B)-16RFms=6b

WN 15(B)-63 RF S=5.5

WN150-16 RF S=8)-16

BL250-300RF

WN25-25RF

BL 3/4"-150 RF

WN 500(B)-16 RF S=10

sp2GaL30415 h=6525-1

SO 4"-150 FF833

WN 200(B)-40RFS=8F S=61.0 δs=100=6=006-c5/� RF Schc00-1ata5 RJ0S°5.2 C3m386@RFRFf