这是PPG首次参加AICM公众开放日活动，我认为这次活动具有非常深远的意义。

This is the first time for PPG to participate in the AICM Open to Public Day, which was very impressive.

youdao

这是PPG首次参加AICM公众开放日活动，我认为这次活动具有非常深远的意义。

This is the first time for PPG to participate in the AICM Open to Public Day, which was very impressive.

youdao