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3??????
4???????200??500
5????????mm
??«??»(?????«?2»)??2??8????,?????????2??14??????,«????2»?????????????????????????????????,«???????????2»??,?????????????90%????,?????
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?????2??8????,«????????????????2»?TCL??,????????“??”??
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?????????,«????2»????????????????2???????????12?????????????,2?14???????????????,«????????2»???(???? ??????????????)
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