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工程图样常被称作工程界的通用语言,发挥交流工具的作用。工程图样是靠点、线、面这些要素的不同组合而实现的,为了便于技术交流,人们赋予了这些要素一些特定的含义,并用标准加以规定。工程图学界有一种观点:可以摒弃标准中的规定而自主定义图形要素的含义,但倘若如此,
Engineering drawings are often referred to as the common language of engineering to play the role of communication tool. Engineering drawings are based on different combinations of points, lines and surfaces. In order to facilitate the exchange of technology, people have given some specific meanings of these elements and defined them by standards. There is a view in engineering drawing that it is possible to define the meanings of the graphic elements independently of the rules in the standard but if so,