图纸上的字母代表什么

Understanding the Meaning of Letters on Blueprints

• When studying blueprints, it is essential to comprehend the significance of the letters present on the drawings.
• Dimensions (D): Letters denoted as D on blueprints represent the measurements and size of various components within the design.
• Structural Elements (S): S letters indicate structural elements that play a significant role in supporting the overall framework of the project.
• Electrical Components (E): E letters on the blueprint indicate electrical components, such as switches, outlets, and wiring connections.