Jolly balance

• 乔利秤,测密实度平秤,比重天平

Jolly balance的用法和样例：

例句

1. The determinations of gravitational acceteration and ratio of mass inrigid mixture are studied with Joly balance.
   研究了用焦利秤测定混合固体中物质的含量和测定重力加速度，并得到了满意的结果。