The utility model has the advantages of high production efficiency and low cost.
本实用新型生产效率高、成本低。
The utility model is of convenient maintenance with low maintenance cost and high efficiency.
本实用新型检修方便维修成本低、工效高。
The utility model is of convenient maintenance with low maintenance cost and high efficiency.
本实用新型检修方便维修成本低、工效高。
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