High voltage blasting lets the used sand to be under boiling state, therefore best cooling effect can be reached.

高压鼓风使旧砂处于沸腾状态，达到最佳冷却效果。

youdao

High voltage blasting lets the used sand to be under boiling state, therefore best cooling effect can be reached.

高压鼓风使旧砂处于沸腾状态，达到最佳冷却效果。

youdao