| 释义 | attic tankattic tank[′ad·ik ‚taŋk]  (building construction) An open tank which is installed above the highest plumbing fixture in a building and which supplies water to the fixtures by gravity.attic tankAn open tank which is installed above the highest plumbing fixture in a building (e.g., in the attic) and which supplies water to the fixtures by gravity; the filling of the tank is controlled by a float valve. |