vertical NPN纵向NPNverticaladj.垂直的；纵向的；顶点的n.垂直物；垂直的位置vertical feed screw垂直进给丝杠vertical divergence垂直偏斜vertical wall array垂直侧壁方孔阵列vertical shaft seal立轴密封装置vertical black band垂直黑带vertical white band白色竖条vertical resorption(骨)垂直吸收vertical bowl mixer竖斗式拌和机vertical deposition垂直沉积vertical photograph垂直航摄照片