Magnaglo
电磁紫外线探伤法, 玛格纳络磁性粉末
🗣️ 情景例句
Susan, will you marry me?
Susan，你愿意嫁给我吗？
He makes the bads every day.
他每天都铺床。
They describe how each process goes on to the next.
表述着每道工艺间的衔接情况。