The negative conveying screw element has a marked effect on the morphology changes of polymer blends.

及向螺纹元件对共混物相态变化影响显著。

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The screw is of modular design and its active part consists of two identical screws that are common screw element and left-handed screw element with shallow grooves.

其螺杆为积木式结构，通常由芯轴和装在其上的正螺纹元件和浅开槽反向螺纹元件组成。

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A wave twin screw element was designed on the basis of meshing theory and motion relation for co-rotating twin screw extruder by introducing wave screw structure in this paper.

本课题根据啮合同向双螺杆啮合原理及螺杆运动关系，将波状螺杆结构应用到双螺杆挤出机中，设计了一种波状双螺杆元件。

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Jobs was a workaholic obsessed with every screw inside the computer, how the customers experienced the product packing and every element in the marketing of the product.

FORBES: Inside Apple #2