道路を守る法面補強工事
Palabras clave
way,
reinforcement,
mountain,
concrete,
metallic,
anchor,
protection,
consolidate,
cliff,
pattern,
frame,
grid,
guard rail,
net,
net,
ramp,
escarpment,
square,
foreground,
deter,
protect,
wood,
grass,
nature,
buckle,
disaster,
dangerous,
civil engineering,
measure,
route,
japan