常見例句Keywords Surficial sediment;Surface coating;Non-residual fraction;Selective extraction;Heavymetal;Adsorption; 表層沉積物;生物膜;非殘渣態(tài);選擇性萃取;重金屬;吸附;harmful heavymetal 有害重金屬Heavymetal contamination 重金屬汙染 返回 Heavymetal