IFC 4.3.2.20251031 (IFC4X3_ADD2) under development

LimitedClearances(有限间隙)

语义定义(Semantic definition)

信号柱电话安装的特殊条件:隧道、桥梁、高架桥。

Referenced in
Pset_RailwaySignalOccurrence
表 A