Best Battery Powered Vacuum

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asked Dec 9, 2020 in 3D Segmentation by swpt_9Mymg51n (1,180 points)
Machine Specification:
1. Below 60dB, it is equivalent to the spiral air duct design of human normal conversation sound motor, which can prevent air from generating eddy current and backflow, so as to reduce mechanical noise.
2. Thickened knitted cotton, anti tearing and thickened filter dust...

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