年少无知23
准确的英语是Currency detector，也有叫Bill validator的。A currency detector is a device that determines if a piece of currency is, or is not, counterfeit. These devices are used in vending machines that accept payment and dispense a product to a customer. They are also used in change machines and in slot machines.一台Currency detector是一个用来检测货币是否是仿造的。这种仪器用在接受付款并且分发货物给消费者的零售机，以及找零机器和投币机器上。
