hazardous elements

基本解釋

In all of the metal element, cadmium is the greatest threat to human health of hazardous elements.
在所有的金屬元素中，鎘是對人體健康威脅最大的有害元素之一。
Nickel is the one of hazardous elements in coal. Nickel does enormous harm to air water soil and organism in coal combustion.
鎳是煤中毒害性元素之一，燃煤過程中鎳對大氣、水、土壤、生物的危害性是不可低估的。
Arsenic is one of the hazardous elements in coal. During coal processing and combustion, arsenic is released into the environment.
砷是煤中有害微量元素之一，在煤加工利用過程中，砷會以各種形式釋放出來，進(jìn)入環(huán)境。