Coloured stainless steel may be prepared in brown, blue, yellow, red, or green by square-wave AC electrolytic colouring.
用交流方波电解着色法可以制备茶色、蓝色、黄色、红色、绿色等颜色的不锈钢。
With the proper AC adapter, let charge the battery until battery LED is solid green.
用交流适配器充电到电池指示灯变绿。
This study provides the foundation ac cording for developing the green solidification grain refine technique of aluminum alloy.
这一研究结果为开发铝合金绿色凝固细晶技术提供了基础依据。
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