pneumatic concrete vibrator

例句：

1. 1.The pneumatic concrete vibrator is used to mix and compact the concrete.
   气动混凝土振动器用于混合和压实混凝土。
2. 2. This pneumatic concrete vibrator can handle large volumes of concrete quickly and efficiently.
   这种气动混凝土振动器可以快速而有效地处理大量的混凝土。
3. 3.The pneumatic concrete vibrator is an essential tool for construction workers during construction projects.
   气动混凝土振动器是建筑工人在施工项目中必备的工具。