buffer coke charge

例句：

1. 1. The engineer designed a buffer coke charge to improve the efficiency of the blast furnace.
   工程师设计了一个缓冲焦炭混合料，以提高鼓风炉的效率。
2. 2.The coal company used this buffer coke charge to reduce the carbon emissions from their power plants.
   这家煤炭公司使用这个缓冲焦炭混合料来减少其电厂的碳排放。
3. 3.The construction crew was tasked with mixing the correct ratios of materials for the buffer coke charge.
   施工队被分配了正确的材料比例，以制作缓冲焦炭混合料的任务。