magnet pole face

例句：

1. 1. The magnet pole face is crucial for the operation of the magnetic field generator.
   磁极面对于磁场发生器的操作至关重要。
2. 2.The scientists discovered a new way to manipulate the magnetic pole face.
   科学家们发现了一种新的方法来操纵磁极面。
3. 3.The magnetic pole face is responsible for the alignment of the Earth's magnetic field with the Sun.
   磁极面负责地球的磁场与太阳的对齐。