hydrogeln.水凝胶hydron.水疗院；水力电pref.表示“水的”、“氢的”hydrous melting curve含水熔融曲线hydrocinnamyl alcohol苯丙醇hydrogeologic features上杭北部地区hydroxymethyl cytosine羟甲基胞嘧啶hydroxyalkyl phosphate磷酸羟烷基酯hydroxy-hydroquinonen.羟基氢醌；hydrofluosillicic acid氢氟硅酸hydrotreating catalyst加氢处理催化剂hydrogeologic zonation水文地质分带Hydroponics experiment水培试验