GB/T 12459  等径三通 DN 15-Sch10STS157021@p Sch80�Fu

DN 15-Sch10S TS157021@p Sch80�Fu

PL50B)-16RF0S RF0Fu4 S0f

SO80-150 RFf1500R16 RFF1

so65(B)-16 RF

dbl400-6 rf@WN52RF S=

WN 20-150 FM B=20/RF(

jb/@SO100-300 RFs=14/

WN 32(B)-16 RF S=≥8

pl32b)-40rf0 RF-1.0RFRF-16

WN100-63RF B=90SSch430B)ch40007.50