Stannometer
(金属)镀锡层厚度磁性测量计
🗣️ 情景例句
And you also need bodies to do repainting?
你们也需要人手来重新粉刷吗？
Today is the first day of spring.
今天是春天的第一天。
It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.
有时需要花费整整8天时间来搭起绳梯，建立供应基地，然后才能到一个很深的洞穴里。