At the same time, desulphurization is studied in comprehensive utilizing of pyritic slag.
同时，针对硫酸烧渣综合利用中的脱硫问题进行了进一步探讨。
During overburden stripping construction, we have successfully practiced excavation, graded stockpiling and comprehensive utilizing technology for soil layer, mud or muddy clay.
在该矿山覆盖层剥离施工中我们成功实践了土层或淤泥或淤泥质粘土挖运、分级堆放、综合利用技术。
During overburden stripping construction, we have successfully practiced excavation, graded stockpiling and comprehensive utilizing technology for soil layer, mud or muddy clay.
在该矿山覆盖层剥离施工中我们成功实践了土层或淤泥或淤泥质粘土挖运、分级堆放、综合利用技术。
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