• What is the use of these same negative ion generators?

    这些所谓负离子发生器有什么呢?。

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  • The hydroxyl ion has a negative charge .

    氢氧根离子一个负电荷

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  • The hydroxyl ion has a negative charge.

    氢氧根离子一个负电荷

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  • This paper introduces a new air negative ion producer .

    本文介绍了一种新型空气负离子发生器

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  • The effects of the positive and negative ion background on the discharge path are studied.

    用实验方法研究负离子背景放电路径影响。

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  • The anion is one kind of air ion with negative electric charge.

    负离子负电荷空气离子

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  • Kuanyin Mountain Forest Park all year round fresh air, fine spring high negative ion content.

    观音山森林公园一年四季空气清新,鸟语花香,负离子含量极高

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  • The mechanism of negative-ion-sulfurizing was also discussed in this paper.

    本文负离子轰击渗硫的机理进行了探讨。

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  • Air negative charge ion concentration (ANCIC) has a close relationship with air quality.

    空气负离子浓度空气环境质量密切相关。

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  • The air negative oxygen ion concentration is the sign of fresh air or not.

    空气负氧离子浓度空气清新与否标志

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  • International leading technology — FRESH NEGATIVE ion double-chip, double health.

    国际领先- - -清馨负离子双芯技术,双效抑菌、双重护理。

    youdao

  • International leading technology — FRESH NEGATIVE ion double-chip, double health.

    国际领先- - -清馨负离子双芯技术,双效抑菌、双重护理。

    youdao

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