Megaperm
镍锰铁高导磁率合金
🗣️ 情景例句
Yes, Mr. Tom. Let me check Miss Xu's schedule.
好，汤姆先生。让我查查徐小姐的日程表。
How many slices are you going to use?
你要用几片？
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。