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The design of high performance dustproof, the dinky maintenance.
高性能防尘设计，保养维护量极小。
youdao
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Perfect seal the bottom and the surface, waterproof and dustproof.
完美密封的底部和表面，防水和防尘。
youdao
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Perfect seal the bottom and the surface, waterproof and dustproof.
完美密封的底部和表面，防水和防尘。
youdao