催化层

catalyst layer的用法和样例：

例句

Increasing the Nafion content in the catalyst layer improves proton migration, however, it reduces void space, thus worsening gaseous oxygen transport.增加了全氟磺酸含量的催化剂层提高质子移民，但是，它减少了无效空间，从而恶化气态氧运输。

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