Basic formulation, main technique index and sand control mechanism for agglutination sand are introduced.
介绍了胶合砂的基本配方、主要技术指标及防砂机理。
It is a key technique to weight the index in information retrieval.
如何对索引词加权是信息检索中的一个关键技术。
The new technique features a good technical economy index, and possesses wide spread value.
新工艺具有良好的技术经济指标和广泛的推广使用价值。
The new technique features a good technical economy index, and possesses wide spread value.
新工艺具有良好的技术经济指标和广泛的推广使用价值。
应用推荐