A quill pen on writing paper demands you to care and pay attention to grammar, tidiness, controlled thinking.

用羽毛笔在写字纸上书写要求你注意语法、整洁、克制思考。

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A quill pen on writing paper demands care, attention to grammar, tidiness, controlled thinking.

用羽毛笔在写字纸上书写要求你小心翼翼、注意语法、整洁、克制思考。

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This paper introduces to you our study of the structures for the full suspended drive system with quill drive and its performance on the testing bed.

本文介绍了我国研制的轮对空心轴全悬挂传动装置的结构及其在台架上试验的情况。

youdao

This paper introduces to you our study of the structures for the full suspended drive system with quill drive and its performance on the testing bed.

本文介绍了我国研制的轮对空心轴全悬挂传动装置的结构及其在台架上试验的情况。

youdao