NB/T 47065.2  支腿 B3 DN=1400 δn=109mRF4data5 RJ RF RF ScR80f srf@40@S5

2 B3 DN=1400 δn=109mRF4data5 RJ RF RF ScR80f srf@40@S5

PL 350(B)-10 RF

wn 80-16 RFFF16 RF

SO600-150 RF

DN800-PN10 WN RF Sch40

WN 40-150 RF

NB/T 47023 FM1900-1.6

WN500(B)-100 RFrfm

so/@bii 10000-900 R40E0RF

WN 32-150 RF=3. S0F2500cRF1=1@RF@4 Rch44060