However, what you are talking about is actually not the issue of equivalent infringement, but the issue of "literal infringement" and "equivalent infringement".
China's review guide stipulates that "the technical features of the function limitation contained in the claims should be understood as covering all the implementations that can realize the said functions."
So, what you said (perhaps what you want to express is that a technical feature of the claim is a functional description. In addition to several implementations, the alleged infringing product only uses other implementations in terms of technical features. Is it infringement? ) is infringing.