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.
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.
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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