The optimum design of the process of producing build wall tile with kaolin coal gangue was carried out by cross design technique.
利用正交设计技术对云南高岭质煤矸石建筑墙地砖生产工艺进行了优化设计。
Your task is to replace the floor tile room: each replaced a cross, two replaced by the floor (tile) will be restored.
你的任务是给房间换上地板砖：每次换下一个十字形，两次换过的地板(砖)还会还原。
Your task is to replace the floor tile room: each replaced a cross, two replaced by the floor (tile) will be restored.
你的任务是给房间换上地板砖：每次换下一个十字形，两次换过的地板(砖)还会还原。
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