investment costs

• 投资费用；投资成本

investment costs的用法和样例：

例句

1. After this technology is mature,if fracturing material is made domestically,investment cost will be decreased.
   如果该技术成熟后压裂材料实现国产化，可缩短投资费用。
2. The accounting rate of return is calculated by dividing the average annual profits from a project into the average investment cost.
   用平均投资成本去除平均年利润即可计算出会计收益率。
3. This paper focuses on how to reduce the whole crane weight, save investment and reduce construction cost, providing a reference for other people in the industry.
   本文重点介绍该类起重机减轻整机的自重，节省投资成本，降低建造费用的设计思路，供广大同行参考。

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