求翻译：这部健美机主要的功能就是塑造健美的身形和助于舒缓工作压力，它不仅使用优质塑料和钢材和轻便安全外，而且还操作简单方便，很适合18到60岁人士是什么意思？

This fitness machine main function is to shape the fit physique and helps relieve work pressure, it is not only high-quality plastic and steel and light security, but also simple and convenient operation, it is suitable for people aged 18-60

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This healthy American aircraft main function is the mold healthy personal appearance and helps in the affable working pressure, not only it uses high quality plastic and steel products and outside the facile security, moreover also operates simply convenient, suits 18 very much to 60 year old public

Main feature is the shape of this fitness machine fitness figure and helps to relieve pressure, it not only uses high quality steel and plastic and light safety, but also easy to operate, very suitable for people aged 18-60

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