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单词 θ211946
释义
society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > hole containing blasting-charge (3)
blast hole1747

Mining a hole into which a charge of explosive is inserted.

shot1849

Mining. The charge of powder sufficient for a blast in a mine (esp. a coal-mine); also the bored hole into which the charge is put.

shot-hole1874

Mining. A hole bored in the rock in which to insert a blasting-charge.

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更新时间:2024/11/13 11:33:39