GB/T 12459  等径三通 DN 15-3TS rf s=60rdra8 h=984=92�5

DN 15-3 TS rf s=60rdra8 h=984=92�5

WN 600-150 RF Sch8013T200-1�RFhm=30Sch δS=5073

hp-2-7.5-20A=48 rfrFrf10 RF-b RF S=5

WN100(B)-2500RJ N=133 A=89

SO50B-25Ms=8.6 rf s5F S44-RF80

BL300(B)-16 Fmp402.5 RJ RF50AScF@b300 LG S

pl40(b)-10 rf bb=58 c=1