相导线三角排列
triangle phase conductors model
排列常角法
permutation ruled angle method
三角形排列三螺杆反应器
Triangle arrayed triple screw reactor
正三角形排列
tube bundle arrangement with equilateral triangles
正三角形排列布管
tube bundle arrangement with equilateral triangles
ACLED晶粒交错矩阵式排列
AC LED Cristal Interleaving Metrics