NB/T 47065.2  支腿 A4-6 RL1ff RFï؟½-4ï؟½CH4

2 A46 RL1ff RFï؟½-4ï؟½CH4

BI 600F RF ,HG/T20592-2009@bi 1000=5RF0RF

2 RF 1200-2.5 δ1=10

WN 15(B)-40 RF00rfF Sm R-0..6rf450F/dCH80am R RJ

bГўвҖҰВ 1500-s/@SO100-150 RF

2 RF 1200-1.6 δ1=10

WN 65(A)-40 RF S=3.2ch80S

SO50-900 T/2508sM0-1

wn