a standard width的用法和样例：
- A piece usually produced in a standard width
- There is a standard form of oath used in lawcourts.
- A standard of measurement or judgment; a criterion.
- The force of the wind is measured on a standard scale of 0-12.
- The force of the wind is measured on a standard scale of0-12.
- Regarded or employed as a standard of reference, as in surveying.