混凝土材料计量器

例句：

1. 1. The engineer used a concrete material measurement device to measure the weight of the concrete.
   工程师使用混凝土材料测量设备来测量混凝土的重量。
2. 2. The construction site had a concrete material measuring machine that could quickly calculate the volume of the poured concrete.
   施工现场有一台混凝土材料测量机器，可以快速计算浇筑的混凝土体积。
3. 3.The engineer used the concrete material measuring machine to ensure that the concrete mix was properly proportioned.
   工程师使用混凝土材料测量机器确保混凝土混合比例适当。