短語(yǔ)詞組短語(yǔ)insoluble salt indicated electrode 金屬;金屬難溶鹽指示電極insoluble salt precipitation 難溶鹽沉澱法insoluble salt electrode 難溶鹽電極insoluble quaternary ammonium salt bactericide 水不溶季銨鹽殺菌劑metal -insoluble salt indicated electrode 難溶鹽指示電極 返回 insoluble salt