large and middle-scale

• 大中型

large and middle-scale的用法和样例：

例句

1. Most of large and middle scale open-pit mines in China have reached deep mining.
   摘要我国的大多数大中型露天矿山已经或即将进入深部开采。
2. As for the reform of enterprises, our chief goal is to invigorate the large and medium-sized state-owned ones.
   企业改革，主要是解决搞活国营大中型企业的问题。