Imayini yamalahle i-Wangpo 80m-span Grid Truss Trestle e-Jincheng
Isikhathi esisodwa sale phrojekthi ye-trestle sifinyelela kumamitha angu-80, okuyindawo enkulu kunazo zonke phakathi kwama-trestles afanayo e-China. Ine-double-belt kanye ne-double-layer grid truss structure.