水準測量 (suijunsokuryou) Japanese meaning: leveling | Kotomoraに
よっ
て
地
盤
の
高
さ
を
正
確
に
測
り
ます
。
At construction sites, leveling is used to accurately measure the height of the ground.
As a result of leveling, the elevation of this point was found to be 50 meters.