footing course造句

例句与造句

1. Two standards of offset have been identified : Standard A, where the offset occurs above the first footing course, and Standard B, where the offset occurs after the third ( or sometimes fourth ) footing course.
2. Two standards of offset have been identified : Standard A, where the offset occurs above the first footing course, and Standard B, where the offset occurs after the third ( or sometimes fourth ) footing course.
3. It's difficult to find footing course in a sentence. 用footing course造句挺难的