| 单词 | air jacket |
| 释义 | > as lemmasair jacket air jacket n. † (a) a jacket having an airtight lining which, when inflated, supports the wearer in water; a life jacket (obsolete); (b) a jacket (jacket n. 9) in which air or gas is circulated to reduce loss of heat from an enclosed vessel. ΘΚΠ the world > space > relative position > condition of being external > covering > wrapping > [noun] > encasing or sheathing > that which > air- or water-jacket air jacket1764 water jacket1831 1764 Gen. Mag. Arts & Sci. Sept. 462/1 Two men and a woman..dressed in air jackets..were followed by two men with the marine collar and belt: they continued dancing in the eddy a considerable time. 1819 Times 2 July 4/1 (advt.) To..those going abroad, are recommended C. Kendall's Life-preserving Air Jackets... Repeated exhibitions..have afforded the most satisfactory proofs of the buoyancy of the machine. 1840 Civil Engineer & Architect's Jrnl. 3 291/1 The water, passing from the reservoir, down the tube, forces a quantity of air from the air jackets, with the water, through the small cylinder. 1909 Westm. Gaz. 4 May 4/2 An engine having specially designed air-jackets. 1999 Science 19 Mar. 1939/3 A negative pressure air jacket surrounds the work area to further enhance operator protection. 2002 U.S. Patent 6,390,049 B1 4 The function of the atmosphere air jacket is to keep the high-pressure air-jacket at a desired temperature. < as lemmas |
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