Chambering
内腔加工, 扩孔
🗣️ 情景例句
She says you're quite a man.
她说你是个了不起的人。
All work and no play make Jack a dull boy.
尽量学，尽情玩。
Oh, hello, Jim. Glad to see you again. How are you?
啊，你好，吉姆。很高兴又见到你。你好吗？