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black plate ['blæk'pleɪt]
archit. 黑钢板铁皮
commer. 未镀黑色钢板
met. 黑钢板 (即未镀钢板)
tech. 黑铁皮; 黑铁板
black-plate
plast. 无镀层板〈包装〉
black plate: 15 phrases in 3 subjects
Metallurgy10
Technology4
Watchmaking1