GB/T 12459  异径三通 DN 100×100×-10TRS= H=fRFSc=10=20.6 RF)-FhRæ0 RF

DN100-10 TRS= H=fRFSc=10=20.6 RF)-FhRæ0 RF

WN 125"-150 RF Sch40S

WN 25-150 RF S=S=4.5

PL200-10RFHG/T20592b-10RFF=92paRF6S=f5F6rfF0smp0

WN600(B)-10 RF S=8 H=150

lwn50-900 rf17/jRF

SO50(B)-16RFS=41=4 C=358rf s=δ=50h40R

pl50(b)-2.5 rf 21

WN100-30