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
A: 正确
B: 错误
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) 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 representation of left-hand and right-hand cylindrical helical springs are the same. (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.