通过岩矿的抗压强度和自然矿块破断力力学试验研究，找到了降低粗磨机钢球尺寸的理论依据。

Theoretical reason of reducing ball size of coarse grinding has been found through tests on compressive strength of rock and rupture stress of natural ore lump.

youdao

通过岩矿的抗压强度和自然矿块破断力力学试验研究，找到了降低粗磨机钢球尺寸的理论依据。

Theoretical reason of reducing ball size of coarse grinding has been found through tests on compressive strength of rock and rupture stress of natural ore lump.

youdao