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copper plating
el. 包铜
oil 镀铜
telecom. 铜镀层
copper-plating ['kɒpəˌpleɪtɪŋ, 'kɑːpərˌpleɪt̬ɪŋ]
met. 镀铜
copper plating
: 9 phrases in 4 subjects
Chemistry4
Metallurgy1
Refrigeration1
Technology3