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单词 θ217120
释义
society > occupation and work > materials > derived or manufactured material > explosive material > [noun] > quantity used in blasting operation > charge (7)
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.

sumper1881

A hole made in or near the bottom of a shaft during its sinking; a blasting charge creating such a hole.

raker1883

Mining. Each of a number of shots (blasting charges) positioned next to a sumper. Obsolete. rare.

shaped charge1948

an explosive charge having a cavity which causes the blast to be concentrated into a small area.

Subcategories:

— material for tamping charge (2)
— cartridge (1)
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更新时间:2024/11/10 21:46:34