短語詞組短語pure -copper oxygen lance nozzle 純銅氧槍噴頭cool -rolled pure copper 冷軋純銅PC -COC pure copper continuous cliketing 連續(xù)鑄造純銅導(dǎo)線glass -coated pure copper microwire 玻璃包覆純銅微絲in -lay pure copper part 埋純銅琯high -quality pure cathodic copper 高純隂極銅 返回 pure copper