久久免费黄色一级国产_欧美一级黄色高清视频免费观看_级在线观看一区二区三区_亚洲一级性生活黄片_A片一级A片一级_一级毛片免费视频播放图片_国产特级黄色大片免费看_一级毛片免费上线_国产真人一级a爱做片视频

1. Pay attention to the fabric and color

The living room sofa is best made of thick fabric, and the color should be coordinated with the interior decoration style.

2. Check if the overall structure of the sofa is sturdy

Push the sofa left and right with your hand to see if it slides smoothly and if the screws are full. Whether the decorative panels or plywood are firmly adhered and whether there is any damage.

3. Steel pipe structure sofa, welding seam is a key factor

Try to open the parts that can be opened as much as possible and carefully examine them to avoid loosening and collapsing after prolonged sitting.

4. Pay attention to the sponge on the sofa

If the feel is uneven or there is no elasticity when sitting down, such a sofa is not suitable.

5. Attachment

Exposed accessories must not have metal burrs or sharp angles; The armrests of the sofa are of the same height.