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槽结构和工艺操作的部分改进,取得了延长槽寿,改善环保条件,提高技术经济指标,减轻劳动强度等良好效果。
Some improvements have been made in the structure of the trough and the operation of the process, and good results have been obtained such as extending the trough life, improving environmental conditions, improving technical and economic indexes and reducing labor intensity.