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【Daily Question】Chemical Analysis Version, 2021.5.10

2021-05-10View Original

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According to the GB/T6536 testing method, when the sample is natural gasoline, the temperature of the cold bath is required to be °C, and the time to start heating up to the initial boiling point is specified in minutes. A、0-4 2-5 B、0-1 2-5 C、0-4 5-10 D、0-1 5-10B

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