Combined with natural gas test work, the quality control method in natural gas chemical laboratory was discussed.
结合天然气检测工作实际情况，对天然气检测实验室质量控制方式进行了探讨。
The critical points of quality control in the chemical laboratory were summarized in the paper, including internal and external quality control, and internal one was analysed in detail.
概述了化工实验室质量控制的关键要素，包括内部质量控制和外部质量控制，并对内部质量控制进行了详细分析。
Quality control and quality assurance are the important parts in the process of testing water quality in the chemical laboratory.
质量控制与质量保证是水质化验室工作的重要组成部分。
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