【判断题】在工程图中,物体上可见的轮廓线一般用粗实线表示,不可见的轮廓线用虚线表示。
【单选题】— When did the terrible earthquake in Japan happen? — It happened ____ 13:46 ____ the afternoon of March 11 th .
【简答题】可见轮廓线一般用线 型表示 , 不可见轮廓线一般用线 型表示。
【简答题】A Shoe Pattern Harry is eigh years old now. He studies in a middle school. His parents like him very much and hope he can become a famous ma n . So they tell him to study hard and they do all for ...