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( Ex: 好 ou 你好 ou 花好月圆 )
dǐng gān
顶杆 dǐng gān
  1. 被打入某些物体中的薄壁管(如以后将灌入混凝土的管形钢柱)内的临时内支柱
  2. 一种用来顶出已成型工件的棒
  3. 型腔背面的销杆,用以顶出制成件
  4. 早期来复枪枪管尾端中的细钢杆,弹丸由推弹杆撞入顶住钢杆并配合来复线塞紧
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