grammeter

例句：

1. 1.The engineer used a grammeter to measure the weight of the material.
   工程师使用一个计量器来测量材料的重。
2. 2.The grammeter showed that the temperature was slightly above freezing.
   计量器显示温度略高于冰点。
3. 3. The grammeter was used to check the accuracy of the scales at the market.
   计量器被用来检查市场上秤的准确性。