Mdm
abbr. 工程数据管理（Master Data Management）；维修诊断手册（Maintenance Diagnostic Manual）
🗣️ 情景例句
Hello.
喂。
Don't be shy!
别害羞嘛！
its movement would be recorded in ink upon its surface.
纸的表面就会用墨水记录下地板运动的情况。