low temperature confirmed
确认低温
以上为机器翻译结果，长、整句建议使用 人工翻译 。
And then the material performance was confirmed by a serious test such as low-temperature falling ball impact test and airbag deployment specification test.
并以低温落球试验、气囊展开特性试验对材料选择结果进行了验证，并对以后同类型的设计提供了参考。
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