| | | | | | | | | | | | | | | | | | | | | | | | | | | | A | | | | | | B | | | | | | | 0.55 | 0.45 | | | | | | | | | | | | | | | | | 1999 98 | | | | 15 | | OFFJCE97 POWERPOJNT | | | | 1 | | | | | | 2 | GB50180-98 | | | 3 | ⑴ | | | 1 2000 | 1 500 | ⑵ | 1 1000 | ⑶ | | ⑷ | | | | | ⑸ 1:500?1:800 | | | | | 4 | ⑴ A3 | A3 15 | ⑵ | | 5 | AUTOCAD | A | | B | |