thermite

He unspooled the thermite - carbon cord and ran it around the valve twice.

他解开铝热炭索在阀上绕了两圈.

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Configuration of the aluminum thermite is not in contact with air produces alumina?

配置铝热剂的铝粉与空气接触是不是会生成氧化铝?导致铝热剂不可点燃?

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