grouting and sealing technique

例句：

1. 1. The construction of the new bridgerequired the use of grouting and sealing techniques to ensure its durability.
   新桥的建设需要使用灌浆和密封技术来确保其耐用性。
2. 2. The engineerused a special groutingand sealing technique to repairthe damaged pipe.
   工程师使用了一种特殊的灌浆和密封技术来修复损坏的管道。
3. 3.The waterproofing of the basement was achievedthrough a combination of grouting and sealing techniques.
   地下室的防水是通过灌浆和密封技术的结合实现的。