Pernmet
波梅特铜钴镍合金
🗣️ 情景例句
It's a deal.
成交了！
Are you required to fill a quota of work each month?
你被要求每月都要达成工作的目标吗？
For years we've been demanding better housing and jobs.
多年来我们一直要求改善住房和工作条件。