| 单词 | thermal barrier |
| 释义 | thermal barrier [`thǝr·mǝl `bar·ē·ǝr] AEROSPACE ENGINEERING A limit to the speed of airplanes and rockets in the atmosphere imposed by heat from friction between the aircraft and the air, which weakens and eventually melts the surface of the aircraft. Also known as heat barrier. BUILDING CONSTRUCTION See <<thermal break>> |
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