最終更新日：2024/08/06
(rail transport) A self-propelled rail-mounted machine used to pack or tamp ballast under railway tracks; a ballast tamper.
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tamping machine
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(rail transport) A self-propelled rail-mounted machine used to pack or tamp ballast under railway tracks; a ballast tamper.
tamping machine
DiQt（ディクト）
無料
★★★★★★★★★★
