字典属工具书类。
纵向钢丝间距有所差别，左侧的几根间距较大，为6厘米，主要存放字典类较厚的工具书。
The space between vertical wires is different. The distance on the left is large to 6cm. We can put thick books there.
纵向钢丝间距有所差别，左侧的几根间距较大，为6厘米，主要存放字典类较厚的工具书。
The space between vertical wires is different. The distance on the left is large to 6cm. We can put thick books there.
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