The two most important parts of this set are the gear box (shown above on the left) and the solar cell (shown on the right).
最重要的两个部件，是齿轮箱(上图左侧)和太阳能电池(右侧)。
The structure can effectively solve the problems that the parts on the gear box are easy to drop off during assembling, and the like.
这种结构可以有效避免装配时齿箱上的零部件容易脱落等问题。
The utility model comprises an electric motor, a transmission belt, a gear box, a supporting frame, a straightening mechanism, a machine base, etc., as the main parts.
本实用新型由电动机、传动皮带、齿轮箱、支架、调直机构和机座等主要部件组成。
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