After that, it's a relief to read novels printed on old-fashioned paper.
在那之后，阅读一本印刷在传统纸张上的小说，会是一件多么令人放松的事。
A novel drill tool threaded connection stress relief groove is proposed in the paper.
减少连接螺纹弯曲应力可以延长钻具连接螺纹的疲劳寿命。
A novel drill tool threaded connection stress relief groove is proposed in the paper.
减少连接螺纹弯曲应力可以延长钻具连接螺纹的疲劳寿命。
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