copperingn.铜包皮
coppern.铜;铜币;警察;紫铜色;有紫铜色翅膀的小蝴蝶vt.镀铜
Copper complexes of porphyrin卟啉铜配合物
Copper carries electricity.铜能导电。
copper base tinning iron wire铜基镀锡铁线
Copper and Tod are friends.科珀和托托是朋友。
copper cadmium cobalt residue铜镉钴渣
copper-soluble metal powder铜溶金属粉末
copper coated mild steel wire镀铜软钢丝
copper and copper metal alloy铜及铜合金
copper smelting waste residue铜冶炼废渣
Copper - graphite composites铜-石墨复合材料