• National primary energy production reached 1.34 billion tons of standard coal.

    一级能源生产达到13.4亿标准煤。

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  • Primary standardan ambient air pollution standard designed to protect human health.

    基本标准——一个旨在保护人类健康周围空气污染级别

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  • It is "primary level" standard.

    初级阶段标准

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  • Check the solution against a primary standard.

    对照原来标准来检验溶液。

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  • The international primary standard for the kilogram is made of 90% platinum, 10% iridium.

    重量和长度国际标准原型90%,10%的铱制成

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  • The national primary standard of combustion heat was completely improved.

    国家燃烧基准进行了全面改造

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  • Deadweight testers are the basic primary standard for accurate measurement of pressure.

    自重测试仪基本测量压力设备。

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  • Deadweight testers are the basic primary standard for accurate measurement of pressure.

    自重测试仪基本测量压力设备。

    youdao

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