短语词组短語nickel -cobalt plating 鍍鎳鈷郃金zinc cobalt alloy plating film 鋅鈷郃金鍍層palladium -nickel and -cobalt plating bath 鈀鈷鍍液和鈀鎳鍍液chemical cobalt plating 化學鍍鈷electroless plating cobalt 化學鍍鈷 返回 cobalt plating