本发明公开了一种纯电动动力系统,包括第一驱动电机,第二驱动电机,变速装置.变速装置包括变速箱体和设于变速箱体内的第一输入轴,对应第一输入轴的一个第一离合传动单元和一个第三离合传动单元,第二输入轴,对应第二输入轴的一个第二离合传动单元和一个第四离合传动单元,第一中间轴,对应第一中间轴的一个第五离合传...
A coated stent (100,200,300,400), comprises a coated unit (110,210,310,410), and an exposed unit (120,220,320,420) which is a ring-shaped structure and which is provided on the periphery (113,213,313) of an end portion (112,212,312) of the coated unit (110,210,310,410); ...
Safety guard for guardrail barriers, which is provided for its application in those guardrail barriers constituted by a longitudinal stamped sheet (1) located at a predetermined height with respect to the ground and fixed on a metal beam (2) in double "T" or in "i", characterized in that ...
作者 王艳 摘要 习语是人们运用语言时将自身的想法,感受与外界的环境结合起来而形成的简洁的短语.习语的形成具有长期性和复杂性.习语在语言词汇中扮演着重要的角色,习语的出现丰富了语言表达方式,增加了表达的艺术性.不同的地域沉淀出不同的习语,所以英语习语带... ...