- The engineers specified air tight concrete for the underground bunker to ensure no air leakage.
工程师为地下掩体指定了气密混凝土，以确保没有空气泄漏。
- Air tight concretes are often used in the construction of cryogenic facilities.气密混凝土通常用于低温设施的建设中。
The new design called for air tight concrete to enhance the building's energy efficiency.
- 新设计要求使用气密混凝土以提高建筑的能源效率。
Properly mixed and cured air tight concrete can prevent moisture infiltration and maintain structural integrity.
- 正确配制和养护的气密混凝土可以防止湿气渗入，保持结构完整性。
