示例分析表明，灌浆压力的扩缝效应对细裂隙的可灌性有较明显的改善作用。
The analysis of typical example demonstrates that grouting pressure can obviously improve the groutability of fine fractures.
考察了扩链剂种类、活性稀释剂及异氰酸酯对聚氨酯灌封胶力学性能的影响。
The effect of kinds of chain extender, active diluents and the structure of isocyanate on mechanical properties of the elastomer is discussed.
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