Industrial trials have been conducted for D-T57 electrolytic tinplate chemical com-position property and process parameters improvement conditions.
通过对d - T57电镀锡板化学成分、性能设计及对生产工艺条件的改进，开展了多次工业试制。
Industrial scale trials have been conducted by designing the chemical compositions and process parameters and improving the process conditions of d-t52 electrolytic tinplate.
通过对D—T5 2电镀锡板化学成份、性能的设计及对生产工艺条件的改进，开展了多次工业试制。
Industrial scale trials have been conducted by designing the chemical compositions and process parameters and improving the process conditions of d-t52 electrolytic tinplate.
通过对D—T5 2电镀锡板化学成份、性能的设计及对生产工艺条件的改进，开展了多次工业试制。
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