autocatalytic nickel phosphorous 意思是电镀还是化镀?

autocatalytic nickel phosphorous 意思是电镀还是化镀? nickel 技术英语英译中1.autocatalytic separated nickel phosphorus coating on the steel surface2.cleared for all purity class,however only as racked goods nickel pig a nickel is five nickel-and-dime nickel的意思 buffalo nickel是什么 nickel-briquettes是什么意思 nickel-chromiumcoil是什么意思? Nickel pull-down assay nickel–phosphorous-coated pay a nickel 表面处理 Nickel Phosphore nickel release是什么意思 electro deposited zinc nickel是什么意思 电镀中的nickel strike是什么意思 请问nickel sulphide failure是什么意思?