n. bezel
misc. caulking groove
在那个时候，顶部有嵌条或嵌槽的可叠起堆放的塑料件被称作自动拼装积木。
At the time, the stackable plastic pieces with studs on top were called the Automatic Binding Brick.
凹槽位于螺丝头 上，嵌槽凹设于凹槽的底部中央，而凸缘位于凹槽的外周缘。
The flute is located on the screw head, and the inserting recess is located at outer circumference of the flute.
板子之间通过狭槽相互咬合在一起，而无需使用胶水或其它嵌固件固定。书架材料可以由用户自己选择搭配。
The pieces are slot jointed together without the use of glue or fixings and the choice of material is defined by the end user.
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