4.如【圖 10】所示之方形裸鋼板淨重 4 kg,已銲接 3 個圓形小鋼片(每片重量為 50 g,銲料重量不計,中心座標如圖示),今欲加銲第 4 個圓形小鋼片(重量為 50 g,銲料重量不計),使配重
4. Learners of English should avoid relying on electronic dictionaries tot_________e every unknown w
11. If you aspire to become a famous writer or cartoonist, you have to learn to dealwith r_________n