Placea sphere of nuclear waste in a stable ice sheet and it could melt its way down, the ice re-solidifying behind it.
将核废料球放入较为稳定的冰原，它们会随着周围冰的融化向下移动，身后的融冰则又再次凝固。
2
Characteristics of the sheet blending plant fiber and chrome-containing leather waste dealt with chemo-mechanical disposal were investigated.
研究了经过化学-机械处理后的制革含铬废革屑与植物纤维混合抄片的性能。
3
The pulp was prepared with leather solid waste by the pretreatment and beating. The property of collagen fiber for papermaking was observed by compound sheet.