mobile view is ok: https://zh.m.wikipedia.org/wiki/%E4%B8%89%E8%A7%92%E6%81%92%E7%AD%89%E5%BC%8F#%E5%AF%B9%E7%A7%B0%E3%80%81%E7%A7%BB%E4%BD%8D%E5%92%8C%E5%91%A8%E6%9C%9F

See T50032 which looks related. A fix might be to enclosed the chinese characters in \text{} as in the example at https://en.wikipedia.org/wiki/User:TheDJ/math which has the example

<math>\text{加热}</math>

It might be easier to debug if you could create a smaller test case with a page with just the broken formula.

在T216171#5605563中，@SalixAlba写道：

See T50032 which looks related. A fix might be to enclosed the chinese characters in \text{} as in the example at https://en.wikipedia.org/wiki/User:TheDJ/math which has the example

<math>\text{加热}</math>

It might be easier to debug if you could create a smaller test case with a page with just the broken formula.

maybe related to T239333 ?

https://phabricator.wikimedia.org/T239333 I added a solution.