The upper cover of the insulation cover is provided with a concave groove for the displacement of the of the insulation bucket at the upper part without causing sliding.
保温盖的上层留有凹槽，用于将保温桶放置在上部而不会造成滑动。
The upper cover of the insulation cover is provided with a concave groove for the displacement of the of the insulation bucket at the upper part without causing sliding.
保温盖的上层留有凹槽，用于将保温桶放置在上部而不会造成滑动。
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