filler metalˈfiləˈmetl短语¹³¹⁶²⁰⁺³ 基本例句 填充金属; 焊丝 The quality problems of home made brazing filler metals as compared with ones used abroad are analyzed on the basis of testing and supervision results of filler metal last few years. 从近几年国内钎料质量检测结果出发，分析了国产硬钎料产品质量方面存在的问题以及与国外同类产品相比所存在的差距。 chemyq