Hiperco
一种高导磁率与高饱和磁通密度的磁性合金, 海波科高导磁率铁钴合金
🗣️ 情景例句
Hello.
喂。
My cousin is a member of a riding club, He seems riding.
我的表兄是一个骑马俱乐部成员，他似乎很喜欢骑马。
Which one is cheap? Which one is dear?
哪一支便宜？哪一支贵？