This is an important step. We must find the grain of the paper.
这个步骤很重要，必须要找到纸的纹理。
In this paper, the shape of the air exit of cross-fan grain thresher was studied.
本文对横流风机式谷物脱粒机排风管道的形状进行了研究。
The stress change in crystal grain is also discussed in this paper.
探讨了晶粒内应力变化的原因。
The stress change in crystal grain is also discussed in this paper.
探讨了晶粒内应力变化的原因。
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