The leader line of part number in assembly drawing can be long-thin breakline and allowed to be broken twice.(True or false: 10 points)
举一反三
- The leader line of part number in assembly drawing can be long-thin breakline and allowed to be broken twice.(True or false: 10 points) A: 正确 B: 错误
- The leader lines of part number in assembly drawing are allowed to cross from each other.(True or false: 10 points)
- The leader lines of part number in assembly drawing are allowed to cross from each other.(True or false: 10 points) A: 正确 B: 错误
- Grammar: True or False (10 points, 1 points for each)Is the sentence below grammatically correct？Before the invention of the printing press, it took a very long time to produce a book.
- The basic line thickness of the drawing refers to the thickness for the ( ) line A: thin B: semi-bold C: bold D: middle