提出了3种加气站设计方案，通过经济分析，确定了进口关键设备、辅助设备国产化的加气站设计方案。
The authors present 3 design methods of CNG injection station and make a decision of importing the key equipment and self-made auxiliary equipment based on economic analysis.
优化进口结构，着重引进先进技术和关键设备。
We should optimize our import mix and focus on bringing in advanced technology and key equipment.
适当扩大进口，增加先进技术、关键设备和国内短缺资源进口。
Imports will be expanded by a suitable amount, particularly imports of advanced technology, key equipment and resources that China lacks.
除少部分关键设备采用进口外，其它大部分设备和材料均实现国产化，装置的装备水平达到了国内领先水平。
The majority of equipment and materials are domestically made, except that few key equipment are imported. The equipment level for such facility has taken the lead in China.
除少部分关键设备采用进口外，其它大部分设备和材料均实现国产化，装置的装备水平达到了国内领先水平。
The majority of equipment and materials are domestically made, except that few key equipment are imported. The equipment level for such facility has taken the lead in China.
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