The connecting element (20) reliably connects, fixes, and aligns the rails in relation to each other without engaging in the usable space between the lateral limbs and the rear side of the U-profile.

所述连接件(20)可靠地连接、固定和对齐所述壁轨，且不会占用所述u形壁轨的侧翼和背部之间的有用空间。

youdao

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