copperheadn.铜斑蛇;南北战争时同情南方的北方人
coppern.铜;铜币;警察;紫铜色;有紫铜色翅膀的小蝴蝶vt.镀铜
Copper-containing acid mine drainage含铜矿山酸性废水
copper/aluminum alloy welding joint铜/铝合金焊接接头
copper - silver polymetallic deposit成矿地质条件
copper-steel compound conductive arm铜-钢复合导电横臂
copper-bearing age-hardening steel含铜时效钢
Copper-lead-zinc polymetal deposit铜铅锌多金属矿
copper-bearing industrial wastewater含铜工业废水
copper p-toluene sulfonate catalysis对甲苯磺酸铜催化剂