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Ithink B52 USB2.0(120G) ×îм۸ñ£ºÇ󹺴˲úÆ·
Ithink B52 USB2.0(750G) ×îм۸ñ£ºÇ󹺴˲úÆ·
Ithink B52 USB3.0(750G) ×îм۸ñ£ºÇ󹺴˲úÆ·