iron loss test

例句：

1. 1. The iron loss test is used to determine the efficiency of the transformer.
   铁损测试用于确定变压器的效率。
2. 2.In the iron loss test, the sample is exposed to a magnetic field and its resistance is measured.
   在铁损测试中，样品暴露在磁场中，其电阻被测量。
3. 3. The results of the iron loss test are crucial for optimizing the design of the transformer.
   铁损测试的结果对于优化变压器的设计至关重要。