hydrogeln.水凝胶hydron.水疗院；水力电pref.表示“水的”、“氢的”hydroxypropyl guar gum羟丙基瓜尔胶hydrothermal synthesis热液合成法,热液合成hydrometric monitoring水文测验hydrologic time series水文时间序列hydrological processes水文过程hydroxyphenyl-lignin羟苯木质素hydropneumatic sprayer气力喷雾机hydrolyzing conditions水解条件hydroboration reaction硼氢化反应hydroelastic stability水弹性稳定性