Parkerise
磷酸盐被膜(防锈)处理
🗣️ 情景例句
I always go back to the city in a wonderful state of mind.
我再回到城里时， 精神总是十分饱满。
When Greek meets Greek, then comes the bug of war.
两雄相争，难解难分。
People are always talking about 'the problem of youth'.
人们总是在谈论“青年问题”。