stringer board造句

例句与造句

1. Two stringer boards are required for each section.
2. In fact, at Staircase House, at some date before the first surviving descriptions of the staircase in nineteenth century, the newel posts were each sawn through, just below the stringer board and just above the handrail.
3. It's difficult to find stringer board in a sentence. 用stringer board造句挺难的