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.
介绍上海市政排水管道常用的承插式、企口式和钢承口式柔性接口混凝土及钢筋混凝土排水管，及其这些排水管材的生产工艺。
This article describes the concrete and reinforced concrete drain pipes with spigot and socket, rebated socket or steel-collar socket flexible joints, and the process for their fabrication.
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.
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