He Qinghua, Factory Director, said, "Our three production lines have to work in turns."

厂长何清华说：“我们有三条生产线轮流工作。”

youdao

He Qinghua, Factory Director, said, "Our three production lines have to work in turns."

厂长何清华说：“我们有三条生产线轮流工作。”

youdao