Bridge

Milatho

Kuwonongeka kwa dzimbiri kungayambitse ndalama zambiri mu mlatho, chifukwa chake malo omwe amasunga 50% RH kuzungulira ndi ofunikira kuti asawonongeke pomanga zitsulo pomanga mlatho.

Zogwirizana nazo:(1).(2)

Chitsanzo cha kasitomala:

New Jinggangshan Bridge