Vertical line current source
vertical line source irrigation
inclined line current source
magnetic current line source
Deflection of the vertical line
improved vertical line intersecting method
principal vertical line
short stress line vertical roll mill
the point on the vertical line
vertical current profile
vertical finite line source
vertical line
重直线
垂直线
铅垂线
正倒垂线
垂线
垂直斜纹
竖线
铅垂
纵线
垂直行
vertical line locus method