Aredimension lines thicker, thinner, or the same thickness as extension lines?
举一反三
- Cuttingplane lines compared to object lines are: A: lighter&thinner B: darker&thinner C: samedarkness & thicker D: samedarkness & thinner
- Which of the following lines are used as dimension lines， extension lines， leader lines， construction lines， section lines and projection lines？（ ） A: Thin phantom lines B: Thin solid lines C: Thin center lines D: Wavy lines
- ______ lines are, by definition, lines on the same plane that never join. A: Lateral B: Intersecting C: Vertical D: Parallel
- How many regions would 79 lines separate a 2-D plane? Assume that no three lines cross at the same point, i.e. lines only cross in pairs.<br/>______
- Mooring lines include head lines, stern lines, spring lines and breast lines.? 正确|错误