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单词 gilding metal
释义 gilding metal
[`gild·iŋ ´med·ǝl]
METALLURGY
A copper alloy (about 90% copper, 10% zinc) used to jacket small-arms bullets, to form detonator or primer cups, and to form rotating bands for artillery projectiles; it can be readily engraved by the lands as the projectile moves down the bore.
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