HG/T 20615  法兰盖 BL 100-2500 RJ)-16 ST20 RF SchF@RF Sch10S500 LMS=4p5

BL100-2500 rj)-16 ST20 RF SchF@RF Sch10S500 LMS=4p5

3 CRF 550-0.2520δ0B0 M0R

WN 500-10 RF

DN100-PN16 BL RFPD=7500

WN 40(B)-25 RF S=50 c=16b

pl40-16rf b=45 K=240 L5-10f2.)

BL500-6RfF b=3 d=78 &am0

WN100-300 RJ B=9F=3.6-16RFRF SCH40S014260.5 r=RF RFfc