Traces of floor leather: both of the above two methods have advantages and disadvantages. FTBCI thinks that mode 1 is more suitable from the aspects of floor strength and construction difficulty, etc., and asks EBUSCO to confirm it. In addition, after the experiment, no matter which installation method (mode 1 or mode 2) is used, there will be traces on the floor leather, which will inevitably lead to this problem, because scraping glue can't be leveled and polished, please ask EBUSCO to confirm.
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