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noun | verb | to phrases
coppering n
gen. 木船船底加铜皮
avia. 挂铜 (射弹的弹带或弹壳留在炮膛内的金属残屑)
el. 包铜
met. 镀铜
tech. 挂铜
copper ['kɔpə] v
gen. 用铜; 用铜板盖
archit. 镀铜; 包铜
expl. 镀铜于
coppering
: 6 phrases in 2 subjects
Metallurgy2
Technology4