三维低温界面层
3D low temperature thermal interfacial layer
四边形面积坐标
quadrilateral area coordinate
quadrilateral area coordinate method
quadrilateral area coordinates
quadrilateral area coordinate (QAC) method
四方偏三角面体组
tetragonal-scalenohedral class
四分裂大截面导线
bundle large sectional conductor
丝断面形状
filament cross-section shape