介绍一种用氧浓度仪检测的方法来检测氧气管道泄漏。
We introduce a method of examining oxygen pipeline divulgence using oxygen concentration meter.
参考白度计的校准方法对铅芯浓度仪的校准方法进行了研究。
And its calibration method study took that of the whiteness meter as reference.
本文介绍了一种利用光的反射和折射原理进行设计和研制的味精浓度仪。
The principle of optical reflection and refraction for developing a monosodium glumate concentration instrument are described in this paper.
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