Pine River boat level 3. Table width limited boat = > minimum limit gauge: rankings list = 50x7 (m)-Determine the length of bridge planning qian'an County: Lcầu.Expected to select 3 beats. the main span 1 and 2 beats per minutes.+ Choose width of piers: Btrụ = 3 m.+ Select bridge abutment width: Bmố = 2 m.
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