There are still shortcomings in China's high-speed rail, with a large number of bearings imported every year. Is it really not feasible for domestic bearings?
Export of domestic bearings in 20223.39 billion sets, generating 2...
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2023-07-15 19:27:46
The sales of air frying pan dropped precipitously, with several major shortcomings outstanding. Is there a way out for small household appliances?
followThe air frying pan was all the rage for a time, and was once called the "God frying pan" by frying lovers. However, the air frying pan, which has sprung up like mushrooms, has suffered Waterloo this year...
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2023-07-14 07:18:11