Reluctometer
磁阻签质仪(检查钢制品质量)
🗣️ 情景例句
Robbie, maybe you should call them，
Robbie也许你应该给他们打个电话，
Which one do you want?
你要哪一个？
I can lend you one and a few pieces of equipment.
我可以借给你一顶帐篷和几样装备。