“backfire”的概念、定义、翻译、参考文献-科学参考

单词	backfire
释义	backfire [`bak´fīr] ^{CIVIL ENGINEERING} A fire that is started in order to burn against and cut off a spreading fire. ^ELECTRONICS See <<arcback>> ^ENGINEERING Momentary backward burning of flame into the tip of a torch. Also known as flashback. ^{MECHANICAL ENGINEERING} In an internal combustion engine, an improperly timed explosion of the fuel mixture in a cylinder, especially one occurring during the period that the exhaust or intake valve is open and resulting in a loud detonation. ^ORDNANCE Rearward escapement of gases or cartridge fragments upon firing a gun.
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