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如果你喜欢这篇短文，或者你知道有人从此获益，请按下按钮，和其他人分享。
2
After go to school, his expression is to the article of feeling of train fancy "what to play be a train", at "red scarf" magazine top acquired to announce.
上学后，他表达对火车喜爱之情的文章《玩的是火车》，在《红领巾》杂志上获得了发表。
3
The article approaches to the task of making fancy yarn in rotor spinning from the two subjects: the slab yarn and the rotor spinning.