单词：beam balance
beam balance的用法和样例：
例句
- The balance beam scale is outfitted with a beaker reservoir on one of its arms and a weight on the other.平衡梁式天平在它的一条臂上配备一个烧杯状容器，另一臂上配衡重量。
- The yoke balance offers an advantage over the platform balance in that moments read are about the model.轭式天平比台式天平优越的地方在于测取的力矩是模型本身的。
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