例如钢基上镀铜、镍层再镀铬、低锡青铜上镀铬、多层镍上镀铬、镍铁合金镀层上镀铬等等。

For example steel base plated copper, nickel, chromium plating, low layer again tin bronze chrome, multi-layer nickel chrome plating nickel ferroalloy, chrome, and so on.

youdao

电镀铜锡合金是一种合适的代镍镀层，它不使人体过敏，能满足防扩散性能的要求，且成本较低。

Cu Sn plating is a right substitute for nickel coating because it is not allergic to human body, can meet anti diffusion requirement and has a lower cost.

youdao

介绍了叠层片式电感三层端头电极即银基底电极、镍层、锡-铅合金镀层的性能及制备工艺。

Properties and preparing process of tri layer films with Ag base coating, Ni electrodeposit, Sn Pb alloy for terminal electrode of multilayer chip inductor were described.

youdao