Its characteristic is held for a long time, display size, participating countries, more far-reaching influence.

其特点是举办时间长、展出规模大、参展国家多、影响深远。

youdao

Its characteristic is held for a long time, display size, participating countries, more far-reaching influence.

其特点是举办时间长、展出规模大、参展国家多、影响深远。

youdao