HG/T 20592  法兰盖 BL 200-10 RFh1271 RJ-1671@�F@45-R@0000O

BL200-10RFh1271 RJ-1671@�F@45-R@0000O

2 A3184

1 FM 1100-0.6 δs=12

3 FM 1200-4.0

SP-2726

wn 300-150 rf s=12/0-0.

PL85(B)-16 RFMf@

SP-5127

BII 36068

PL100(B)-16RFFh40SJ00F@RFch60@RF@4 Rch44060f RF Sch12.5 RJ-R�RF@RSRF@44167RF S001@-R-16 RF5@F SRF@