铂: platinum质: nature; character; essence电: electricity接触: come into contact with; get ...材料: material铂铱电接触材料: standard specification for platinum-iridium electrical纯钯电接触材料: standard specification for pure palladium electrical contact material复合电接触材料: composite contact material四层电接触材料: four layer contact material; four-layer contact material; four-layercontactmaterial银-稀土电接触材料: silver-rare earth metals electrical contact material银镍电接触材料: standard specificationfor silver-nickel electrical银钨电接触材料: standard specification for silver-tungsten electrical contact materials银钼电接触材料: standard specification for silver-molybdenum electrical contact material钯铜电接触材料: standard specification for palladium-copper electrical锻制贵金属电接触材料: standard specification for general requirements for复合硬质合金电接触材料: composite hard metal bsae contacts金铜合金电接触材料: standard specification for gold-copper alloy银钨硬质合金电接触材料: standard specification for silver-tungsten carbide electrical contact material接触物质 电接触材料 电接触器材: contactmaterial电接触材料的电弧侵蚀试验: standard guide for arc erosion testing of electrical contact materials电接触材料化学成分的规定: standard guide for specifying the电接触材料硬度的测试方法: standard test method for hardness of electrical钨质电接触器材: tungsten contacts; tungstencontacts银镉氧化接触材料: standard guide for silver-cadmium oxide contact电接触器材 电接点材料: electriccontactmaterial