- 痕量染污物
- 痕量污染物
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trace contaminant中文什么意思
例句與用法
- Consumers should not allow misplaced fears about trace contaminants to become a barrier to achieving the 5 - a - day target
消費(fèi)者不應(yīng)該任由因?qū)ι贁?shù)污染物的盲目恐懼而使之成為達(dá)到天天五蔬果目標(biāo)的障礙。 - Industries with particularly high potential exposures include : construction work involving welding , cutting , brazing or polishing on lead surfaces and application of lead solder ; most smelter operations either as a trace contaminant or as a major product ; secondary lead smelters where lead is recovered from batteries ; and firing ranges
有機(jī)會(huì)接觸鉛的工作包括：在建筑業(yè)中，在含鉛的表面上進(jìn)行焊接切割鍍焊或打磨粉飾以及使用鉛錫作焊接在采礦業(yè)中，提煉鉛或其他元素的工種在回收業(yè)中，把電池中的鉛再循環(huán)利用以及彈藥制造工作。