直线型线截抽样
straight-line intersect sampling
n通道硅平面型外延接面型场效晶体管
n-channel silicon planar epitaxial JFET
平面型外延晶体管
planar epitaxial transistor
Ⅱ型截面主梁
cross-section main girder
H型截面钢梁的弹性稳定
elastic stability of steel beams
N系列新机型面面观
full aspects of n series models