The likely source of that contaminant in the local drinking water supply.

当地饮用水系统供应中污染物的可能性来源.

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Village drinking water supply, 15 villages of program - controlled telephones, cable television eight villages, 15 villages cement.

村村饮用自来水, 15个村通程控电话,8个村通有线电视, 15个村通水泥路.

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The addition of a fluorine a drinking water supply for the purpose of reducing tooth decay.

加''.'氟化物'.''为减少牙齿受侵蚀而在饮用水中所加的''.'氟化物'. ''.

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Gender differences obviously exist in the process of drinking water supply and its impact.

自助过程中存在着明显的性别差异.

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