ringelmann charts meaning in English
烟色浓度图
Examples
- The government is considering amendment to the relevant provisions so that the ringelmann chart as adopted in the air pollution control ordinance ( cap . 311 ) will be used to determine the concentration of smoke
政府正考虑修订有关的法例，改用已在《空气污染管制条例》 (第311章)中采用的力高文图表断定黑烟的浓度。