vertical NPN纵向NPN
verticaladj.垂直的;纵向的;顶点的n.垂直物;垂直的位置
vertical comparator垂直比测器
Vertical Test Range垂直试验区
vertical wedge wipe竖直楔形接帚
vertical Bloch line垂直布洛线
vertical viscometer竖式黏度计
vertical visibility垂直能见度
vertical scroll bar垂直滚动条
vertical earth axis地轴系立轴