那么，归根究柢，这一切都是两个小程控物理学和简单：电阻加热元件及铝筒。
Well, it all comes down to simple physics and two small contraptions: resistive heating element and an aluminum tube .
扁挤压筒是挤压大型铝壁板的重要工具。
The flat container is important tool for extruding large-sized aluminum wallboard.
扁挤压筒是挤压大型铝壁板的重要工具。介绍了扁挤压筒类型、计方法和强度计算。
The flat container is important tool for extruding large-sized aluminum wallboard. The kinds of flat containers, the design method and strength computing were introduced.
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