But Mr Chhatre says he and his colleagues have increased the efficiency of water collection using a variety of surface coatings.
但Chhatre先生表示，他和同事利用不同的表面涂层，增加了集水的效率。
Using parametric design way, water hydraulic axial piston pump's main internal parts include piston, slipper and valve plate were designed, which improves the design efficiency and quality.
运用参数化设计手段，对纯水液压轴向柱塞泵的主要部件包括柱塞、滑靴、配流盘等进行了设计。提高了设计效率和设计质量。
Therefore, how to enhance arid and half arid area crops output and Water using efficiency has the important practical significance.
因此，研究如何提高干旱和半干旱地区作物产量和水分利用效率有较高的应用价值和现实意义。
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