| 单词 | sprinkler head |
| 释义 | > as lemmassprinkler head sprinkler head n. (a) a perforated cap or nozzle attached to the spout of a watering can or the end of a hose, pipe, etc., to produce a fine spray of water; (b) a spray head forming part of a fire protection system, which is designed to discharge water when triggered by the heat of a fire; cf. sense 1c. ΚΠ 1873 U.S. Patent 137,095 in Specif. & Drawings (U.S. Patent Office) 25 Mar. 677/2 In the accompanying drawing.., A is the sprinkler-head. 1882 Bucks County (Pa.) Gaz. 28 Sept. A system of automatic sprinkler heads distributed throughout the buildings which in case of fire, by the action of heat immediately apply the water where needed. 1941 Pop. Mech. June 64/2 By turning a plastic button on the sprinkler head, the..openings of the [nozzle] arms may be changed to govern the quantity of spray. 2015 N.Y. Times (National ed.) 8 Mar. (Business section) 8/4 The HVAC system was not properly installed..and sprinkler heads and other fire-stopping measures were missing or nonfunctional. < as lemmas |
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