Cylindrical wooden formwork is a kind of cylindrical formwork, because cylindrical formwork can be divided into cylindrical wooden formwork, cylindrical steel formwork and cylindrical plastic formwork, so cylindrical formwork, circular formwork and building circular formwork are all collectively referred to, and cylindrical wooden formwork is a classification under the general designation. For example, Shandong Pengcheng Wood called its products circular formwork, and Shandong Fiona Fang Building Materials Co., Ltd. called its products cylindrical wooden formwork.

In short, no matter what you call him, he is a building template, hoping to solve your confusion.