GB/T 12459  等径三通 DN 300-8TSt.5 RJ RFpLT�1@3b� BB-6@06-10 RFEL5 RJr059@X@b40S157021@

DN 300-8 TSt.5 RJ RFpLT�1@3b� BB-6@06-10 RFEL5 RJr059@X@b40S157021@

WN 150-600 RF

WN 50(B)-63 RF S=3

SO 250-300 RF Bfscmp@40@S5 RJrvletFh40S

法兰 SO 100(B)-10 RF

TPB-7

3 RF 500-1.6 δ0=5

bl450(a)-2.5 rfrf1000-1.

DN 15-Sch20 CR00R R.5δ0=8RF Sch