emergency drinking water purification

英 美
  • 应急饮用水净化
  • drinking n.喝;喝酒动词drink的现在分词.
  • emergency n.突发事件;紧急状态adj.应急的;紧急的;备用的
  • purification n.净化;提纯;[宗]涤罪
  • water n.水;海域;雨水;海水v.给...浇水;给...供水;加水稀释;充满眼泪;给...水喝