air hardening refractory cement

例句：

1. 1. This type of cement is widely used in the construction industry for its excellent air-hardening properties.
   这种水泥因其出色的空气硬化特性而被广泛用于建筑业。
2. 2.The engineers were using this air-hardening refractory cement to reinforce the concrete beams.
   工程师们正在使用这种空气硬化耐火水泥来加固混凝土梁。
3. 3.Due to its high strength and durability, this air-hardening refractory cement is a popular choice for building foundations.
   由于其高强度和耐久性，这种空气硬化耐火水泥是建筑基础的热门选择。