Reluctometer
磁阻签质仪(检查钢制品质量)
🗣️ 情景例句
When was your last day off?
上次休假是在什么时候？
This is to be my treat, so I'll pay for everything.
这次轮到我作东，所以一切由我付账。
but more often than not, the greater part of the journey is spent on roads with few service stations and too much traffic.
但旅行的大部分时间都花在路上，而且只有很少的服务设施，交通也很拥挤。