排はい水すい量りょう

noun

displacement (of a ship)

Technical term for the weight of water displaced by a vessel's hull, used in naval architecture and ship specifications.

• この貨か物もつ船せんの排はい水すい量りょうは5ご万まんトンです。

  The displacement of this cargo ship is 50,000 tons.

noun

volume of wastewater

Used in environmental and civil engineering contexts to refer to the amount of water discharged from a facility or area.

• 工こう場じょうの排はい水すい量りょうが基き準じゅんを超こえている。

  The factory's wastewater volume exceeds the standard.