NB/T 47022  法兰 C-RF 550-1.0/20δ

2 CRF 550-1.020δ

WN 80-150 RF Sch40S

WN 700-300 RF B=688jF35592@�

PL 400(B)-10 RF

BL250-150 m

PL40(B)-6 RF

WN 50(A)-16 RF S=4.5

PL 100(B)-16 RF50R2 FM2600-1oR@ RJ2 Sch40S@S5 RJ6L0SFpampamRFFS48

WN100-63RF00-S rf@4 PL400(B)-1n15F@443RF@F RF-4RFRF�