closure grouting

例句：

1. 1. The engineer used a specialtype of cement to perform the closure grouting.
   工程师使用一种特殊的水泥进行闭孔灌浆。
2. 2. This method is commonly used forsealing cracks in concrete structures duringconstruction.
   这种方法常用于施工期间密封混凝土结构中的裂缝。
3. 3. During the closure groutingprocess, it's important to ensurethat the mixture is evenly distributed andproperly cured.
   在闭孔灌浆过程中，确保混合物均匀分布并适当固化是很重要的。