... 光截面 optical cross section; optical cross-section 核截面 nuclear cross section 横截面 intersecting surface; transversal surface; (transverse) cross section ...
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During the process of spinning triangular heteroclite dacron fibres from polyester garbage, there are factors that may affect the hetercliteness of the intersecting surface of the fibres thus spun.
在聚酯废料生产三角异形涤纶短纤维过程中对影响纤维截面异形度的主要因素：喷丝孔截面形状、纺丝温度、冷却成形条件、后欠伸工艺参数等进行探讨。
It is proved that the intersecting line of the two curved surface is space curve, and the equation is quartic implicit function with one unknown.
论证了两曲面的交线为空间曲线，其方程为一元四次隐函数关系式；
The method for manufacturing this surface-coated cutting insert includes: forming a cutting edge at the intersecting edge line region;
在上述刀片主体的前面和后面的交叉棱线部形成切削刃；
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