waterproof gauge

例句：

1. 1. The waterproof gauge is used to measure the thickness of materials.
   防水量规用于测量材料的厚度。
2. 2. The engineer used a waterproof gauge to check the integrity of the pipeline.
   工程师使用防水量规检查管道的完整性。
3. 3. The waterproof gauge was essential for ensuring the safety of the construction site.
   防水量规对于确保施工现场的安全至关重要。