NB/T 47022  法兰 FF 900-1.0/20

2 FF 900-1.020

BL40-600RF(0sGM4075F0RFfm0e

WN80-40RF S=3.3b)-10/F M

PL400B)-10RF

2 M 800-2.520δ1=20

3 C1-Ⅰ5ampamktop/0-1hhH65-20RF

2 RF 1400-1.

2 RF 2000-0.2520δ1=10

3 C8-II

2 T 1800-1.0FHF100-16 RRRF2f3163F120��/J0-1.SMMSFM=28=580 K/=-10R