常见例句双语例句The cross- section of the two side columns is cut down partly by two grades and the diminished parts act as the area where the main magnetization occurs.在铁心的两个边柱上分别设置了两级减小截面部分，这两个部分作为铁心磁化区，磁化作用主要发生在该区域。 返回 main cross-cut