NB/T 47022  法兰 RF 1400-1.0 δ1=12

2 RF 1400-1.0 δ1=12

PL65B-10RF1=280-6R0BbRF R.0mpampamp;ampa

SO 20(B)-16 FF S=2.6

SO 900(B)-16 G´35 g428M 600-1.

3 RF 500-1.6 δ0=8ch80 RF s02D=150

PL80-16 RF d=138

SO150B-10T120and0-1./u00RF665 m s=4.50-28-150-

WN50-300 RJ S=1.65

2 RF 800-1.40SF c