It is demanded urgently to establish a universal design criterion, speed up the development of dedicated equipment and seek more ways to refrigeration in the mine.

目前应抓紧制订统一合理的井下空调气候标准，加强配套设备的研制开发，探讨矿井空调制冷方式的多样化。

youdao

It is demanded urgently to establish a universal design criterion, speed up the development of dedicated equipment and seek more ways to refrigeration in the mine.

目前应抓紧制订统一合理的井下空调气候标准，加强配套设备的研制开发，探讨矿井空调制冷方式的多样化。

youdao