井戸．日本では普通水はポンプで井戸を汲み上げず，写真で見られるように長い竹の棒の付いた小さな桶で引上げる．深い井戸には滑車の原理が適用される；水は両端に桶を付けた紐で引き上げられる．国の主要な都市では市民の便利さと快適さを大きく増すために水道設備　．．．/(A well. In Japan, water is not generally pumped out of the well, but it is drawn up in a little bucket with a long bamboo pole, as seen in the photograph. For a deep well. the principle of pulley is applied; water being drawn up by means of a rope ...)