With petroleum hydrocarbons with a high dilution ratio.
与石油烃具有高的稀释比。
Steam was used as inert diluent, with dilution ratio being 0.5 and kept constant.
并以水蒸气作为惰性稀释剂，稀释比为0 . 5，且保持恒定。
The lowering of mining dilution ratio and loss ratio is one of major difficulties in front of mining researchers.
采矿贫化率与损失率的降低是采矿工作者重点研究和攻克的难点之一。
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