塑料软管被广泛应用于农田低压输水灌溉，但至今其水力特性仍未被充分研究。
The plastic hose has been broadly used in farmland irrigation of low pressure water transfer pipeline.
分析表明，钻头的设计应当充分结合其水力学特性进行，对此本文给出了所计算钻头的优化设计建议。
According to the analysis, it is showed that drill bit design should be combined with hydraulic character of the flow field.
地下水作为边坡失稳破坏的主要诱发因素之一，其水力学特性是边坡工程领域一项重大的研究课题。
Research of hydraulic properties of groundwater, which is one major factor inducing slope failure, is a key task in slope engineering field.
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