The inflatable cushion not only has simple structure and low cost, but also is safe, and can bring great interest to children.
该装置不仅构造简单，成本低，而且安全能给儿童带来极大的兴趣。
A concatenation of inflatable cushions is prepared with each cushion comprising two thin films of a thermoplastic, at least one of which films has a generally central opening.
一个充气垫串联愿意与各包括两名薄膜垫一种热塑性，至少其中有一个一般电影的中心开幕。
A concatenation of inflatable cushions is prepared with each cushion comprising two thin films of a thermoplastic, at least one of which films has a generally central opening.
一个充气垫串联愿意与各包括两名薄膜垫一种热塑性，至少其中有一个一般电影的中心开幕。
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