1)loading,负荷;浓度;含量2)load,负荷;负担;负载;载荷;浓度;含量 L3)pollutant load,污染物负荷;污染物浓度;污染物含量 PL4)atmospheric loading (of e.g. chlorine),例如氯在大气中的浓度;含量;负荷 ALOEGC5)grade of concentration,浓度，含量6)concentrations and load,含量及负荷
用法例句
In general,weather conditions were the main cause of short-term changes in PGE concentrations and load.