Part I Listening ComprehensionDirections: This part is to test your listening ability. It consists of 3Sections.Section A DialoguesDirections: This ction is to test your ability to understand
-2023年4月27日发(作者:什么是绩效工资)第五节 剖面图及其分类 [Sectional Views and their Classification] 一、剖面图的基本概念[Basic Concept of Sectional Views] 如图6-24在画建筑形体的投影图时,形体内部及被外形遮挡的轮廓线是用虚线表示的,中的立面图,建筑形体内如果虚线较多,特别是形体复杂时,必然造成视图中虚