percussion type sidewall sampler

例句：

1. 1. The percussion type sidewall sampler is a tool used in acoustic testing to measure the sound pressure level of a room.
   敲击式侧壁取样器是一种用于声学测试的工具，用于测量房间的声压级。
2. 2. During the construction phase, engineers use percussion type sidewall samplers to ensure that the structural integrity of the building is maintained.
   在施工阶段，工程师使用敲击式侧壁取样器来确保建筑物的结构完整性得到保持。
3. 3. The percussion type sidewall sampler was designed to detect any defects in the concrete slab before it was poured.
   敲击式侧壁取样器被设计用来在混凝土板浇筑之前检测任何缺陷。