宅地造成工事の現場で施工されるプレキャストL型擁壁と埋戻し前の溝
Keywords
revetment,
construction site,
civil engineering,
site,
blue-collar,
construction,
japan,
copy space,
concrete,
landscape,
prevention,
measure,
dirt,
wall,
vale,
drainage,
hole,
route,
architecture,
city,
groundwork,
basic,
establishment,
property,
development,
infrastructure,
ramp,
daytime,
depression