如果基板是金属，如可能我就喷砂或者，作为第二选择80粒度的金刚砂纸。
If the substrate is metal, I sand blast it when possible or use 80 grit emery paper as a second choice.
王继续说：“如果（美国人）被要求选择去了解一个外国，第一选择会是欧洲国家，许多南美国家作为第二选择。
Wang went on: “If (Americans are) asked to choose to understand a foreign country, first choice would be the European countries, and the South American countries may come second.
王继续说：“如果(美国人)被要求选择去了解一个外国，第一选择会是欧洲国家，许多南美国家作为第二选择。”
Wang went on: "If (Americans are) asked to choose to understand a foreign country, first choice would be the European countries, and the South American countries may come second."
应用推荐