trace contamination meaning in English
痕量染污
痕量污染
痕量沾染
Examples
- Practice for sampling aviation fuel for tests affected by trace contamination
航空燃油痕量污染影响试验取样惯例 - Standard practice for aviation fuel sample containers for tests affected by trace contamination
受痕量杂质影响的试验用航空燃料采样容器的标准实施规程