Deif戴夫DEabbr.特拉华州 (=Delaware)n.判定元件(去加重)deionization equipment消电离设备de-ironing separator除铁器Deinagkistrodon acutus尖吻蝮Dehui city countryside德惠市农村deicing fluid reservoir防水液(贮存)箱dehumidifying equipment去湿装置De facto classification事实分类法deoxidation equilibrium脱氧平衡dehydriding temperature放氢温度de-inking selectivity脱墨选择性