平面承重结构建筑物 area covering structure 平面 plane; two dimensions; flat surface◇平面多边形 plane polygon; 平面几何(学) plane geometr ..
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area covering structure
覆盖面积结构
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Top is columniform structure, and bottom is coniform structure. With covering small area and storing large capacity of lead oxide, it can realize lead oxide first in and out.
粉仓上部为圆柱形下部为圆锥形结构，储粉量大、占地面积小，能实现铅粉先进先出。
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