The appended drawings shall be made in black ink with the aid of drafting instruments. The lines shall be uniformly thick and well-defined, and shall not be altered.
附图应当用制图工具和黑色墨水绘制，线条应当均匀清晰，并不得涂改。
2
Twist one shredded paper ink, put a sentiment, in the impression the drafting of old Berlin.