Hydrofinish
流体抛光法(用高速流体洗 净和加工表面)
🗣️ 情景例句
He was involved in a political scandal.
他被牵涉到了一宗政治丑闻中。
When did you know the answer?
你什么时候知道答案？
What is it like there?
那儿怎么样？