土壤和沉积物挥发性卤代烃的测定顶空/气相色谱-质谱法
SoiI and sediment -Determination of vol ati le ha l hydrocarbonsHeadspace gas chr omatography mass spectrometry
SoiI and sediment -Determination of vol ati le ha l hydrocarbonsHeadspace gas chr omatography mass spectrometry