(1) Calculus, Modern Physics and Mechanical Drawing.

(2) Experienced with mechanical drawing and extrusion die design.

(3) Professional knowledge: Basic knowledge on maching, read mechanical drawing.

(4) Understand mechanical drawing and know how to operate normal measurement tooling.

(5) Many. Politics, Chinese, English, maths, mechanical drawing, mechanics, chemistry and so on. What about you?

(6) The author suggested that, in mechanical drawing, all the constructing work using the method of projection transformation can also be done by means of nomographs as an alternative.

(7) Basic mechanical drawing , molding or die processing experience is a plus.

(8) Mechanical drawing is a type of technical basis work of engineering and technology relevant specialty.

(9) Adequate English especially in mechanical drawing and written form, and able to compose simple report.

(10) Construction of excellent course of mechanical drawing and computer graphics.

(11) At present, there are two methods drawing the engineering mechanical drawing in the world.

(12) It is an emphasis that the solution of two intersected objects' intersectant line in mechanical drawing.

(13) On account of the radial pushing force, the simulations are performed for the hydro - mechanical drawing process.

(14) With the increase of technical exchange and trade in package machinery between the United States and China[http://], it is important to understand the mechanical drawing of American standard.

(15) The course comprises of three parts, such as Geometric construction, Basic Drawing, and Mechanical drawing.

(16) In the light of trisection angle problem, the paper discusses the nature of trisection angle and hyperbola and mechanical drawing and explores the problem of arbitrary proportion of a certain angle.