water-saving rate [交通運輸工程]省水率water-saving and yield increasing mechanism [農業(yè)科學]節(jié)水增產機理water-saving 節(jié)水water-salt 水鹽water-right trade [經濟學]水權交易water-rich 多水的water-retention agent [材料科學]保水助劑water-retention ability [農業(yè)科學]蓄水功能water-retention 保水性water-ret vt.浸于水中以使腐爛water-resource 水資源water-resistant enamel [經濟學]防水瓷漆water-resistant atm [機械工程]防水度water-resistant agent [土木建筑工程]耐水劑water-resistant adj.抗水的water-resistance ability [化學]防水性能water-requirement law [農業(yè)科學]需水規(guī)律water-repellent paint [材料科學]防水油漆water-repellent cotton poplin sport jacket [經濟學]抗水棉毛綢運動短外衣water-repellent adj.防水的；拒水的