Examples range from contamination of the food or water supply, to high levels of air or noise pollution, a chemical accident, a disease outbreak or a natural disaster.
这方面例子的范围包括从食物或水供应的污染，到空气或噪音高度污染、化学事故、疾病暴发或自然灾害。
The effect of the natural gas supply method, passage diameter and heated temperature of intake air on the ignition, combustion and emission are studied.
天然气供给方式，主副燃烧室通道直径和进气温度对压缩着火天然气发动机起动，燃烧和排放的影响也作了研究。
Carbon black: a fine, intensely black pigment obtained by burning natural gas or oil with restricted air supply.
碳黑：在缺乏空气的情况下，燃烧天然气或油产生的一种细面极黑的颜料。
Carbon black: a fine, intensely black pigment obtained by burning natural gas or oil with restricted air supply.
碳黑：在缺乏空气的情况下，燃烧天然气或油产生的一种细面极黑的颜料。
应用推荐