在职业教育教学中,《机械制图》在机械零件的设计、加工和应用中都起到至关重要的作用,这门课可以说是昌黎县职业技术教育中心机械类汽修专业的一门基础课。其难度对于相对基础差、底子薄的职业中学的学生来是非常大的,需要学生具有很强的空间想象能力、绘图、读图的能力。 In the teaching of vocational education, “Mechanical Drawing” plays a vital role in the design, processing and application of mechanical parts. This course can be said to be a basic course of mechanical auto repair major in Changli County Vocational and Technical Education Center . The difficulty for relatively poor foundation, the foundation of vocational high school students to come is very large, requires students to have a strong ability to space imagination, drawing, reading pictures.