magnetic-field test equipment

例句：

1. 1. The magnetic field test equipment was used to measure the strength of the Earth's magnetic field.
   使用磁场测试设备测量地球磁场的强度。
2. 2. The magnetometer test equipment was used to detect the presence of a magnetic field in the area.
   使用磁测仪检测该地区是否存在磁场。
3. 3. The magnetometer test equipment was used to study the properties of magnetic materials.
   使用磁测仪研究磁性材料的性质。