单词 | pile driver |
释义 | pile driver【机】 打椿机 pile driver pile driver n.(名词)1. A machine that drives a pile by raising a weight between guideposts and dropping it on the head of the pile.打桩机:一种机器,通过在指向牌之间抬起重物,然后将其掷在桩头上2. One who operates such a machine.打桩机操作者:操作打桩机的人 |
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