In the rule of sectional drawing, all visible edges exposed by the cutting-plane line must be emphasized and a series of lines can now be drawn. This process is called _____.
A. filling-up of section lines
B. eliminating hidden lines
C. eliminating object lines
D. symmetric objects
Answer:A
In the rule of sectional drawing, all visible edges exposed by the cutting-plane line must be emphasized and a series of lines can now be drawn. This process is called _____.
A. filling-up of section lines B. eliminating hidden lines C. eliminating object lines D. symmetric objects