Free flight models are relatively cheap to build, especially if you go for rubber power.
自由飞模型制作起来相对便宜，尤其是采用橡筋动力。
Free flight scale models tend to be a handy size - easy to store at home, and capable of flying on small fields without disturbing the neighbours.
自由飞模型一般都很袖珍，容易储存，也容易在小场地飞行而不会打扰邻居。
Free flight scale models tend to be a handy size - easy to store at home, and capable of flying on small fields without disturbing the neighbours.
自由飞模型一般都很袖珍，容易储存，也容易在小场地飞行而不会打扰邻居。
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