dry mining

例句：

1. 1. Dry mining techniques have been developed to reduce water usage.
   已经开发了干式采矿技术以减少用水。
2. 2.The company has switched to dry mining methods in its operations.
   该公司已将其操作方式改为干式采矿方法。
3. 3. Dry mining is a more environmentally friendly option compared to traditional open-pit mining.
   与传统的露天开采相比，干式采矿是一种更环保的选择。