flat spring造句

例句与造句

1. Reusable rubber contraceptive diaphragms - determination of compression resistance of coil spring and flat spring diaphragms
   可重复使用的橡胶避孕工具.第7部分:卷簧和板簧避孕工具耐压缩性测定
2. Reusable rubber contraceptive diaphragms - determination of twisting during compression of coil spring and flat spring diaphragms
   可重复使用的橡胶避孕工具.第8部分:卷簧和板簧避孕工具压缩时的扭转测定
3. It's difficult to find flat spring in a sentence. 用flat spring造句挺难的