retaining band造句

例句与造句

1. The reflectors were held in place by a retaining band anchored by an explosive bolt.
2. In tropical Africa, the flexible branches are wrapped as retaining bands around conical thatched roofs of huts, and are twined together to form thorny corral walls to retain livestock.
3. It's difficult to find retaining band in a sentence. 用retaining band造句挺难的