microbulking

例句：

1. 1.The engineer used a microbulking technique to improve the strength of the concrete.
   工程师使用微膨胀技术来提高混凝土的强度。
2. 2.During the construction phase, microbulking is often used to create a more stable base for the structure.
   在施工阶段，微膨胀通常用于为结构创造一个更稳定的基底。
3. 3. The microbulking process helps to reduce the overall weight of the building without sacrificing its structural integrity.
   微膨胀过程有助于减少建筑的总体重量，而不会牺牲其结构完整性。