Hydrovit维生素B12, 羟钴胺[维生素类药]hydron.水疗院；水力电pref.表示“水的”、“氢的”hydrostatic curves静水力曲线hydrophilic method亲水法hydroxycitronellol羟基香茅醇hydroxytryptophane羟色氨酸hydrodynamic shear流体剪切力hydrodeoxygenation加氢脱氧hydrologieal model水文模型hydrologic barrier水文堰洲hydrologic routing水文学方法河槽洪水流量演算Hydro-mechanical液压机械