痕量组分的英文

• trace components
• trace constituent

• 痕量:    trace
• 组分:    component; constituents
• 痕量组份:    trace components
• 产量组分:    yield component
• 微量组分:    micro component; microcomponent; minor component

例句与用法

1. Testing methods for determination of trace components in diluent gas and zero gas
   测定稀释气体及调零气体中痕量组分的试验方法