The contents of Pb and Cd in soils and base-muds are determined by graphite furnace atomic absorption spectrometry with self-absorption background correction and (NH4)2HP04 as matrix modifier.是什么意思_The contents of Pb and Cd in soils and base-muds are determined by graphite furnace atomic absorption spectrometry with self-absorption background correction and (NH4)2HP04 as matrix modifier.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句