GB/T 12459  翻边短节 DN 150-Sch120LJSF)-1pamp6S=7= BRFFrF/

DN 150-Sch120 LJSF)-1pamp6S=7= BRFFrF/

WN 1/2"-2500 RJ S=3.73

SO15-300RF6 FF C25-3-15

SO 250(B)-16RF=/16 RFf1=3/F1.6/74-10RF.0F0 PL20(B)-25b=30R0(F

SO 50(B)-10 G=8 δ1=8 �

WN 50-40RF s=3.910S=81318

PL 400(B)-10 RF b=3

47021 fm800-0.6/u

wn150