有害物质浓度 meaning in English
concentration of harmful substance
concentration of narmful su tance
concentration of narmful substance
Examples
- Whether it has conducted tests on the concentrations of harmful substances in the emissions from vessels and assessed their impact on public health and the air quality ; and
有否就船只排放的废气的有害物质浓度进行测试，以及就该等废气对市民的健康和空气质素的影响进行评估；及