窄缝挑坎应用于高拱坝深孔后，其出射水流内外缘抛距是确定拱坝下游消能水垫塘长度的重要依据。
When the slit-type buckets are applied to the orifices in a high-arch dam, the nappes trajectory distance is basic to the design of the plunge pool.
气顶底水油藏油井射孔时既要考虑避水，又要考虑避气，因此存在一个最佳射开位置的问题。
For a well producing from reservoir with bottom water and gas cap, the water and gas avoidances must lie taken into consideration for its position of optimum perforation.
水喷雾冷却器在主动引射高空模拟试车台中具有重要作用，其出口处温度的有效控制是保障试车正常运行的关键。
The key role of spray-cooler for hot gas in active ejection altitude simulation facility, indicates that the control of temperature of hot gas ensures regular service for tests.
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