英语词汇“part per million(ppm)”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	part per million(ppm)
释义	part per million(ppm) 百万分之一
随便看	tracer atom tracer bullet tracer bullets tracer chemistry tracer command tracer composition tracer compound tracer control tracer-controlled lathe tracer controlled lathe tracer-controlled machine tracer controlled machine tracer-controlled milling machine tracer controlled milling machine tracer controller tracer controls tracer copying engine lathe tracer curve tracer detector tracer determination tracer diffusion tracer diffusion coefficient tracer diffusion experiment tracer-displacement technique tracer dose 瓭瓮瓯瓳瓴瓵瓶瓷瓹瓺 36381 36382 51434 51435 51436 51437 51438 51439 51440 51441