【名词&注释】
饮用水水源地(drinking water sources)、直辖市(municipality city)、填充物(filler)、自治区(autonomous region)、色谱法测定(chromatographic determination)
[填空题]吹脱捕集气相色谱法测定(chromatographic determination)水中苯系物时,捕集管填充物可采用()、()、()或C.hA.rcoal.