把硬纸板放在袋子内部，这样它在切割的时候就会垫住一层纸，而不会让你刻穿另一面的纸。
Slide the small piece of cardboard in the flat bag, so you have a surface to cut on without cutting through the other side of the bag.
本发明垫体结实、易于清洗，还可根据需要进行任意切割、裁剪，适应不同的安置条件。
The invention also has well-knit cushion and is prone to cleaning out. Moreover it can be cut into whatever you need, so it can adapt to different embed conditions.
本发明垫体结实、易于清洗，还可根据需要进行任意切割、裁剪，适应不同的安置条件。
The invention also has well-knit cushion and is prone to cleaning out. Moreover it can be cut into whatever you need, so it can adapt to different embed conditions.
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