This provides a new way of thinking for the optimization of hydraulic structures for PDC bits.

该结论为PD C钻头水力结构的优化提供了新的思路。

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Concrete rock and earth plate dam of super-short cement is a new type of dam in hydraulic structures.

超贫胶结混凝土土石面板坝是水利工程中的一种新坝型。

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Flood Risk Assessment plays a crucial role in the design of hydraulic structures and flood protection works and their operation from safety point of view.

从安全角度来看，洪水风险评估对于水电工程、防洪工程的设计和运行是十分重要的。

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The conference will be an opportunity for interested scientists to share their ideas and establish long-term collaborations for study and research on Historic Hydraulic Structures.

UNESCO: Water Portal | Water Events Worldwide

This conference is another important step initiated by the International Centre on Qanats and Historic Hydraulic Structures (ICQHS) - a category 2 centre under the auspices of UNESCO - to collect and document traditional knowledge available on water resources management from around the globe while providing a forum for presenting new views on the topic.

UNESCO: Water Portal | Water Events Worldwide

The EPA has subpoenaed Halliburton for the secret formula for the liquid chemical cocktail it pumps into underground rock structures so natural gas can be accessed through a process known as hydraulic fracturing or fracking.

FORBES: EPA subpoenas Halliburton over fracking