英语翻译共2层,1层总面积为20×25 500m²,1层生产区300m²,原材料库与成品库200m².2层面积为20×10 200m².
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There are two stories. The first floor is the manufacturing section, with a total area of 20x25 (500m2), and the material & finished product warehouse (200m2).
The second floor has an area of 20 x 10 (200m2).