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(一)描繪仪器的正确使用和保护在初学描图时,除了提高技术外,更重要的是要重視正确使用和保护仪器。这样,一旦練习成熟,使用仪器自会輕便自如,又能延长仪器使用寿命,提高描图质量。下边談談使用和保护仪器的一点体会: 1.直綫笔(又名鴨嘴笔)容易損坏的几种原因. (1)描图时笔头向外或向內傾斜使笔尖外片或
(A) to describe the correct use of equipment and protection In the beginning to describe the drawings, in addition to improving the technology, it is more important to attach importance to the proper use and protection of the instrument. In this way, once the practice is mature, the use of the instrument will be light and convenient, but also extend the service life of the instrument and improve the quality of the tracing. Here to talk about the use and protection of the instrument experience: 1. Linear pen (aka duckbill pen) for several reasons easily damaged. (1) Pencil drawing outward or inward tilt so that nib or