Since the even pipeline character curve shows that the pipeline design and installation is correct, we should study the operation energy saving technology measure from the compressor itself.
由于管网特性曲线平坦，说明管网设计安装合理，应从压缩机本身研究其运行节能的技术措施。
2
The designed widthwise edge curve will be used as a directix curve to form scoop surface of the energy-saving down-cut rotary blade by scanning method.