当前 ,杆秤还是一种在农村和城镇广泛使用的称量质量的主要工具 .由于它的结构简单、价格低廉 ,使用过程中又容易做假 ,因此给不法商贩提供了欺骗顾客的机会 .不过 ,只要我们掌握杆秤的结构及制作原理 ,就很容易识破和揭穿用杆秤卖货时的种种欺骗手段 .一、杆秤的结构及原理图 At present, steelyard is still a major tool for weighing quality widely used in rural and urban areas. Due to its simple structure and low price, it is easy to fake during use, thus providing unscrupulous traders with an opportunity to deceive customers. However, As long as we master the structure and production principle of the steelyard, it is easy to see through and debunk all kinds of deceptions when we use the steelyard to sell. First, the structure and schematic diagram of the steelyard