学科分类
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2 个结果
  • 简介:ThewatersupplyandsanitationsysteminDaresSalaamfaUinawkwardconditioncausedbyseverewaste,poorinstallmenttechnology,inadequatecoverageandmaintenanceandlackofmodemsanitationmodels.FindingbothcentralauthoritiestechnicallyandeconomicaUyunabletoimproveit,localcitizengroupslookforaffordablewaysofimprovingthenecessaryinfrastructurethroughtheirownefforts.Whiletheirself-helpinitiativeshavebeensuccessful,theyurgentlyneedsupportininformationandtechnologyforbettersolutionsandproperuse.

  • 标签: 达累斯萨拉姆市 供水 卫生 饮用水 地表水 地下水