普通单排优化排样中冲裁步距的计算非常关键.It is critical calculating blanking step in normal single row optimum layout.文章介绍一种在普通冲床使用并能快速、准确改变步距的自动送料机构.In this paper an automatic feed mechanism with changing step is introduced.所以, 宽距的双矮星系统应该极...
介绍了冲击地压的危害程度, 发生的原因 、 条件及采取的防治措施.The harm of percussive ground pressure, produced reason, conditions and protective measures are introduced.介绍了煤矿发生冲击地压的显现特征.This paper introduces the characteristics of impact earth press...
Did you have fun with your schoolmates for the weekend?和校友一起度周末开心 吗 ?Did you have fun with Uncle Joey and Uncle Chandler today?你今天跟乔伊叔叔还有钱德叔叔玩得开心 吗 ?You bet! And you can have fun with them.没错! 你还可以和他们玩....
由此裙子可以在紧束腰线下方的腹部大幅度展开.The skirt had fullness over the abdomen, below the tight waist.紧身健美装: 一种贴身内衣或外部装饰,使体形美观或紧束身躯用的衣物.Corset: Article of clothing worn to shape or constrict the torso.按着时尚,她把腹带紧束到最难忍的部位.The hardest part ...