常見(jiàn)例句雙語(yǔ)例句We've also approached the safety of maximum acceptable concentration of CHCl 3 and CCl 4 in drinking water.本文還探討了飲用水中二種受試物質(zhì)最高容許濃度的安全性問(wèn)題。The safe concentration and the maximum acceptable toxicant concentration (MATC) of the industrial wastewater for the Baiyangdian Lake were 6.3% and 25.3%, respectively.以此確定上游工業(yè)廢水對(duì)白洋淀微型生物群落的無(wú)效應(yīng)濃度為6.3%,最大允許濃度(MATC)為25.3%。The source and maximum acceptable concentration (MAC) and the toxicity of formaldehyde in daily life, as well as the common detecting methods are summarized in this paper.概述了日常生活中甲醛的來(lái)源、含量限定及其毒性,并對(duì)其常用檢測(cè)方法進(jìn)行了介紹。 返回 maximum acceptable concentration