old-industrial bases

• 老工业基地

old-industrial bases的用法和样例：

例句

1. The ancient city has now turned into a modern industrial base.
   现在这座古老的城市已变成一个现代化的工业基地。
2. We need to encourage old industrial bases to accelerate their industrial restructuring and technological transformation.
   推动老工业基地加快调整和改造。