Minvar
敏瓦尔低膨胀系数合金铸铁
🗣️ 情景例句
Hello, I'm honored to make your acquaintance.
你好， 认识你是我的荣幸。
I'm afraid I can't get away from the meeting.
我恐怕难以从会议中抽身。
Does he have a temperature, doctor?
他还发烧吗，医生？