Specifying the properties for each file in a project is a burdensome task. 指定项目中每个文件的属性是一项繁重的任务。
To minimize costs, make sure to specify glulam products based on the load and span requirements of the project. 为了把费用降到最低限度，确保在要求的载荷和跨度基础上，指定项目的胶合木梁集成材产品。
