In the evening, the princess and the shadow danced together in the large ball-room.
晚上，公主和影子在一个宽大的舞厅里跳舞。
In the beginning, the planet upon which we live was a large ball of flaming matter.
在当初，我们居住的这个星球原是一团燃烧着的火球。
It is found that the effect of ball milling can be improved when proper ball radius, high turning speed, large ball material ratio and moist milling state are adopted.
结果发现，采用高转速、大球料比、合适的球径以及湿磨状态可以改善球磨效果。
It is found that the effect of ball milling can be improved when proper ball radius, high turning speed, large ball material ratio and moist milling state are adopted.
结果发现，采用高转速、大球料比、合适的球径以及湿磨状态可以改善球磨效果。
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