Today, they will introduce to you our newly built plant and research center.
今天,他们将会向您介绍我们新落成的工厂和研究中心。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道,它就把新鲜空气随之抽进了隧道。