Economical significance
英
美
- 经济意义
双语例句
- So it is economical to repair the crack of the cavity cover and reuse it.
对受损缸盖进行修复再利用是极其具有经济意义的。 - Then, give the economic significance and calculational methods of these four kinds calculational methods.
然后，重点介绍了四种类型的技术进步贡献的经济意义及计算方法。
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