对比了电池钢壳滚镀镍一步法、二步法及三步法，得出二步法在工艺上容易控制与管理。
One step method, two steps method and three steps method of barrel nickel plating of steel battery shell were compared, and the process of two steps method is found to be easy to control and manage.
对比了电池钢壳滚镀镍一步法、二步法及三步法，得出二步法在工艺上容易控制与管理。
One step method, two steps method and three steps method of barrel nickel plating of steel battery shell were compared, and the process of two steps method is found to be easy to control and manage.
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