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| 单词 | soda-acid |
| 释义 | > as lemmassoda-acid soda-acid n. used attributively to designate a fire extinguisher containing sulphuric acid and sodium bicarbonate (or sometimes the carbonate), which are mixed just before use to provide the gas for expelling the water. ΘΚΠ the world > matter > properties of materials > temperature > coldness > extinguishing fire > [adjective] > that fights fire > adapted for extinguishing fire > type of fire-extinguisher soda-acid1928 1928 R. Northwood Fire Extinguishment & Fire Alarm Syst. xxi. 185 (caption) Method of recharging ‘The Conquest’ soda-acid extinguisher. 1931 T. F. Dougherty & P. W. Kearney Fire 240 The Soda-Acid Extinguisher is the type frequently seen in public buildings. 1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) V. 279/1 In the small first-aid water fire extinguishers, a propellant must be provided. Usually this is carbon dioxide, which is either generated when needed (the soda-acid extinguisher) or stored in a cartridge. < as lemmas |
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