mechanical drawing

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. scale drawing of a machine or architectural plan etc,
• Hypernyms:
drawing
• Hyponyms:
horizontal section, vertical section
2. the craft of drawing blueprints
• Syn:
drafting
• Derivationally related forms:
draft (for: drafting)
• Hypernyms:
trade, craft