在许多试验研究的基础上，提出了台阶式泄槽溢洪道泄槽及降低护坦式消力池的水力计算方法。
Based on extensive experimental studies, hydraulic computation methods are put forward for the design of the stepped discharge chute and the stilling basin formed by lowering apron.
本文提出了在矿床地质模型的基础上，应用CAD技术。建立以台阶为单元的分层式矿床开采地质模型的方法。
Based on geological model of deposits and by means of CAD method, the authors put forward the building method of layered opencast mining geological model, whose layers are composed of bench.
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