hydrolig(美式足球)充水护膝hydron.水疗院；水力电pref.表示“水的”、“氢的”hydro -chemical field水化学场hydrostatic depth gauge水静压测深棒hydrological monitoring水文监测hydro-vac power brake液压真空制动器hydrological accounting水文计算hydrostatic-head gage流体静压头计hydrofoil planing craft翼滑艇hydrological properties水文物理特征hydroxyphenyl glutamine羟苯基谷酰胺hydrological eigenvalue水文特征值