GB/T 12459  异径三通 DN 700×700×32-Sch80TR0-

DN 32×32×700-Sch80 TR0-

wn25-150 RF sch RFf0rfHR

3 FM 500-6.4 δ0=0/70100ch120

WN150-150 RF400-1 Sampa=5ML1f sc

SW15-150 RF RF sch406rf/100-

wn32-2500rjsch408rf sh40s5/

BⅠ 2400 c=4f s=ch160f-10401 rf/

WN15-600m fFm1.0-1.6/42.5i100FM0-2F

3 FM1200-