［编者按）曾经是我国民用建筑施中的主要建筑构件─—预制混凝土空心板，近年来由于制作及施工等诸多问题加之其国有的缺欠而逐步退到冷落。有些大城市随着民用建筑的高层化，预制混凝土空心板已被某些部门“全面禁用”。应该注意的是一种倾向往往会掩盖另一种倾向，对于低层 [Editor’s note] was once the main building component of China’s civil-use construction—precast concrete hollow slabs. In recent years, due to many problems such as production and construction, coupled with its state-owned deficiencies, it has gradually receded. In some large cities, with the high-level construction of civil buildings, precast concrete hollow slabs have been “completely banned” by certain departments. It should be noted that a tendency tends to mask another tendency for the lower