Reluctometer
磁阻签质仪(检查钢制品质量)
🗣️ 情景例句
We need to bring a flashlight.
我们需要带一个手电筒。
Better be the head of the yeomanry than the tail of the gentry.
宁作自由民之首，不为贵族之尾。
There is no one but hopes to be rich.
没有人不想发财。