Keywords CAD;AEC Design;Plant Design;Steelwork Design;Piping Design;Model;Template;Engineering Template;Engineering Constraint;Classification;Merger;Rule;Process;Joint;Basic Joint;

• 计算机辅助设计;工程设计;工厂设计;钢结构设计;配管设计;模型;模板;工程模板;工程约束;分类;归并;规则;流程;节点;基本节点;