The free end is provided with a fixing block or a poise for frapping the elastic thread.
自由端上设有收紧弹性线的固定卡或砝码。
Therefore, the Angle between the glass fixing block and the lifting block can be adjusted.
就实现了玻璃固定块和升降块间的角度调整。
At the same time, the glass is connected with the fixing block, so that the glass and the fixing block are relatively stationary. Therefore, the Angle of the glass can be adjusted.
同时玻璃和固定块是连接到一起相对固定的，就可以实现玻璃的角度调整。
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