五强溪水电站石英岩人工砂石骨料加工厂是我国最大的人工骨料加工系统。

Wuqiangxi quartzite aggregate processing plant is the largest aggregate processing system in China.

youdao

五强溪水电站石英岩人工砂石骨料加工厂是我国最大的人工骨料加工系统。

Wuqiangxi quartzite aggregate processing plant is the largest aggregate processing system in China.

youdao