不说话

The paper introduces the structural style of chain wheel module for high-power scraper conveyor at abroad and comparatively analyzes the normal structural style of chain wheel module for scraper conveyor at home.

介绍国外大功率刮板输送机链轮组件的结构形式，对国内刮板输送机常用的链轮组件结构形式进行了比较分析。

It has been claimed that some parts of the human head are more sensitive to damage from increases in temperature, particularly in anatomical structures with poor vasculature, such as nerve fibers.

由于温度升高对于人的头部会造成严重的影响，特别是在差的血管的解剖结构，比如神经纤维。