In-car air pollution control measurement and control technology are analyzed.
论述了车内空气质量的控制措施和技术。
Compositive control measurement of weedy rice based on prevention and cultivation should be applied.
应采取预防和耕作栽培措施为主的杂草稻综合防治措施对杂草稻进行积极的控制。
The main functions of measuring instruments in water production are metering measurement and control measurement.
检测仪表在制水生产中的作用主要体现在两个方面,即计量检测和控制检测。
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