arc core meaning in Chinese

电弧心
弧柱

The author analyzes the structure characteristics of tube splice of a vacuum cleaner , specializes several methods to solve arc core pulling and lays stress on a new structure design for a great angle and a long distance side arc core pulling driven
摘要分析了吸尘器弯管连接头的结构特点，着重阐述了应用于本模具中的一种新颖的专用来解决大角度，长距离抽芯的连杆机构的工作原理。
In this paper , he also expatiates upon particularly some difficulties in the designing , such as how to fix the small core , how to fix the hydraulic cylinder by sequence and how to insert arc core into the column core2
对模具设计过程中遇到的困难，如：小嵌件如何固定，很小的侧型芯如何固定于侧滑块上，及三个液压缸按顺序抽芯，圆弧型芯如何插入圆柱型芯2中等都作了详细的叙述与探讨。