NB/T 47023  法兰 M 700-0.6 δ0=10

3 M 700-0.6 δ0=10

PJ/SE 15(a)-40 RF S=3

1 M 600-4.0 δs=12

BL250-16 RF0SMs4.2����ch@LWN100-RF Sch 500-1.0-150 ff50 RF Sch4

wn50-25fms=5mpampampamp

PL100-10RF09RF@WN1 T7 S=4-2500 RF SCH80pa.0

so100(a)-16m-1�

3 M 400-1.0 δ0=5

WN 6"-600