1.A whitesmith is a person who works with "white" or light-colored metals such as tin and pewter.

1.铁匠.与浅色金属(或铝合金类)打交道的匠人.

2.Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

2.铁件在由硫铜、硫、络合、稳定等组成的溶,以置换镀覆不同质量分数的铜- 合金镀层,其工艺替代氰化物预镀铜,消除氰化物污染,是实现电镀清洁生产措施之一。