Now it has been replaced by the gas chromatography, improving the working environment for workers, speeding up the analysis and reducing the error.

采用气相色谱分析法，不仅改善了工人的工作环境，而且提高了分析的速度，减小了分析误差。

youdao

Now it has been replaced by the gas chromatography, improving the working environment for workers, speeding up the analysis and reducing the error.

采用气相色谱分析法，不仅改善了工人的工作环境，而且提高了分析的速度，减小了分析误差。

youdao