短語詞組短語negative e pole 負(fù)極negative pole cathode 見“陰極negative pole gas 陰極氣體zinc negative pole 鋅負(fù)極Negative pole copper 經(jīng)營范圍negative pole protection 陰極保護(hù)negative pole materials 陰極材料negative pole structure 陰極結(jié)構(gòu)consumable negative pole 自耗陰極 返回 negative pole