名词短语
中文翻译：真空发射
同义词：
['vacuum discharge', 'vacuum ignition']
例句：
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1. The vacuum firing system is used to test the airbags' effectiveness.
真空发射系统用于测试气囊的有效性。
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2. During vacuum firing, the gases are expelled from the chamber.
在真空发射过程中，气体从腔室中排出。
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3. The vacuum firing process is crucial for maintaining the integrity of the circuitry.
真空发射过程对于保持电路完整性至关重要。