公平秤的英文怎么说

public standard scale / fair balance

公平秤 [gōngpíngchèng]
1. 名词
A public standard scale set up by a market or a government department in charge. It is for customers to check the weight of goods they buy.

工商管理部门要求所有商贩使用公平秤。
The administrative department of industry and commerce asked all the peddlers to use a fair balance.

是Control Scale。

public standard scale or fair balance

fair scale