【摘要】 对局部视图和局部剖视图中波浪线画法的表述作了深入地剖析,从而对传统教材关于局部视图和局部剖视图的表达方法提出了新的观点。更多还原

【Abstract】 In this paper the description of drawing way of wave Lines in part views and Part cutaway views was analysed in depth . As a result, a new viewpoint was offered against the relevant description in the traditional teaching materaly更多还原