几十年前,经常会有规模巨大、场地集中的自动化博览会召开,它们吸引了来自世界各地的成千上万的参会者参加。然而在今天,由于多种行之有效的展会形式的出现,可以为顾客和设备供应商提供各种信息和渠道,使得这些博览会不再受到广泛重视。 Decades ago, there were often large-scale, centralized venue automation fairs that attracted tens of thousands of participants from all over the world. Today, however, due to the emergence of a variety of effective forms of exhibitions, various information and channels for customers and equipment suppliers can be provided, leaving these exhibitions no longer valued.