下げ振り（さげふり）とは？【建築用語・土木用語・大工用語】 糸の先端におもりをつけ、ぶら下げて垂直をみる道具。原始的ながら正確です。 Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window
