它适用于简单的预制和快速装配，拥有更坚固的设计并给予更广泛的用途。

Adapted for easy prefabrication and rapid assembly, it is more robustly engineered and affords a wide range of USES.

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本玩具直升飞机的制作和装配方便快捷，生产效率高、生产成本低；结构坚固，不易损坏。

The toy helicopter has the advantages of convenient and fast manufacture and assembly, high productive efficiency, low productive costs, firm structure, and is not easy to be damaged.

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