To solve the problem, frothy gel profile control agent is developed, of which the formulation and properties are studied.
为了解决煤矿自燃和瓦斯防治的难题，研制出新型煤矿用材料—凝胶泡沫。
To solve the problem, frothy gel profile control agent is developed, of which the formulation and properties are studied.
为了解决煤矿自燃和瓦斯防治的难题，研制出新型煤矿用材料—凝胶泡沫。
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