A counterweight balances the rotation . 有一个砝码平衡回转。
For small models we can use as weights containers filled with lead shot . 对于小模型，可用装满铅丸的容器作为砝码。
Scales and balances are the tools of mass measurement in all laboratories . 在所有的实验室里测量质量的工具是砝码和天平。
A microprocessor can be used with a balance, weight set, and beaker to provide an economical and accurate measure of engine fuel consumption rate . 微处理机可以与一个天平、砝码和量杯一起使用，以实现对发动机燃料消耗率的经济而精确的测量。
Verification reguiation of working standard weights 工作基准砝码检定规程
L ' m just adding some counterweight 我只是在天平的另一边加些砝码而已
L ' m just adding some counterweight 我只是在天平的另一边加些砝码而已
Measurement of weight susceptibility and analyzing of uncertainty 砝码磁性的测量及不确定度分析
