Pmdb
abbr. product management data base 产品管理数据库
🗣️ 情景例句
She was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
A standard one. Replacement during the first year if all rules for proper use have been followed.
有一个原则，如果在一年内符合各种使用规定，就可更换。
for five of her sixteen watertight compartments had already been flooded!
16个密封舱已有5个进水。