Mdd
abbr. microgram per square decimeter per day 微克/分米/天（腐蚀速率单位）
🗣️ 情景例句
Is there anyone present who can show
在座可有人能提出
It's fantastic.
那儿棒极了。
For this reason there is no risk to the customer in the practice,
因此，这种做法对储户毫无风险。