... Liquid compasses 充液指南针 elliptic compasses 椭圆规 bearing compasses 方位罗盘 ...
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elliptic compasses
椭圆形的指南针
以上为机器翻译结果,长、整句建议使用 人工翻译 。
The utility model is characterized in that an elliptic auxiliary part for drawing ellipses is connected to the compasses on the basis of the original compasses.
其特点是在原有圆规上又连接有一个画椭圆的椭圆辅件。
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