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顶杆
释义
顶杆dǐnggān(1)[mandrel]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)[ejector rod]一种用来顶出已成型工件的棒(3)[ejector pin]穿入[金属]型腔背面的销杆,用以顶出制成件(4)[tige]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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英汉双解词典收录913115条英汉汉英双解翻译词条,基本涵盖了全部常用单词的读音、翻译及用法,是英语学习的有利工具。
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更新时间:2026/10/10 17:02:55