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1.SAITONG focuses on developing, manufacturing and selling overhead contact line systems, traction substation equipments, third rail systems etc.
公司主要设计、制造和销售铁路接触网系统、牵引变电所设备和城轨交通钢铝复合接触轨系统等。收藏指正
2.An amount added to a cost price in calculating a selling price, especially an amount that takes into account overhead and profit.
加值在计算某种出售物的价格时计入成本价的一个数额，尤指计入了管理费用和利润的数额收藏指正
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