foreign impurity
英 [ˈfɒrən ɪmˈpjʊərəti]
美 [ˈfɔːrən ɪmˈpjʊrəti]
外来杂质；异物
双语例句
- The possible failure factors of proton exchange membrane fuels cells were analyzed in this paper, mainly discussed theoretically three aspects of failure mechanism: contaminated with foreign impurity cations, catalyzer poisoning and material aging.
本文从对质子交换膜燃料电池失效的可能因素作了分析，主要从离子污染、催化剂中毒以及材料老化三个方面讨论了质子交换膜失效机制。 - Study of Titanium Alloy High-Density Foreign Impurity by X-ray Inspection
X光检测钛合金高密度夹杂物方法的研究