例句與造句

1. "' Structural building components "'are specialized structural building products designed, engineered and manufactured under controlled conditions for a specific application.
2. Softwood has a huge range of uses : it is a prime material for structural building components, but is also found in furniture and other products such as millwork ( mouldings, doors, windows ).
3. It's difficult to find structural building components in a sentence. 用structural building components造句挺難的