保障营业性道路旅客运输安全是预防重、特大道路交通事故的关键。

Ensuring the safety of commercial passenger traffic was the key to prevent fateful traffic accident.

youdao

保障营业性道路旅客运输安全是预防重、特大道路交通事故的关键。

Ensuring the safety of commercial passenger traffic was the key to prevent fateful traffic accident.

youdao