【多选题】液压传动是以( )为传动介质,利用液体的( )来实现运动和动力传递的一种传动方式。
【判断题】液压传动是以液压油为工作介质,利用液体的压力能和动能来实现运动和力的传递的一种传动方式。
【判断题】贵重、鲜活货物在整批货物基本运价的基础加成40%-60%( )
【判断题】贵重、鲜活货物在整批(零担)货物基本运价的基础上加成40%~60%。
【判断题】decide whether the following translations are true or false. if there is any aspect of social networking that has not been as fully exploited up until now, gxc has found it. 译文:如果说目前在人们的社会关系网络中还有哪些方面没...
【单选题】液压传动即利用压力油来实现运动及动力传递的传动方式,其实质上是一种( )装置。
【简答题】I decided to buy the books that I wanted when it was 5 o&39; clock. I __ decide which books to buy __ it was 5 o&39; clock.