极系
_
apical system
polar system
примеры:
| 选色电极系统透过度彩色管的 | colour-selecting-electrode transmission |
| 选色电极系统透过度 | colour-selecting-electrode transmission |
| 选色电极系统透过度彩色管的 | colour-selecting-electrode transmission |
| 选色电极系统透过度 | colour-selecting-electrode transmission |