两块平板相接，板边分别起半边通槽口，一上一下搭合拼接，可防止透缝的构造曰“企口”。
n. tongue-and-groove ; rabbet ; bezel
misc. groove and tongue
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这种台面叫企口合面板，有很好的防水能力。
This table is called Match-together panels, have a good waterproof capability.
在企口长条木地板下面铺设有线槽，线槽是开口的，上面有盖板。
The lower side of the tongue-and-groove strip wood floor is laid with a wire groove which is open and is arranged with a cover plate.
课题开发的企口铣刀CAD系统是一个利用计算机辅助设计和参数化绘图的工程应用软件。
The object"the CAD system for shaped milling cutter"is a project application software which works with computer aided design and parameterized modeling.
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