【简答题】液压系统中的压力取决于___________,执行元件速度取决于_____________.
【单选题】化学毒物与机体毒作用的剂量反应关系,最常见的曲线形式。
【判断题】( )锉刀的硬度应在 62~67HRC。A. 对 B. 错
【多选题】What verbal communication style(s) do you think Case 28 "Two Different Communication Styles" reflects?
A.
Direct and indirect styles of communication
B.
Self-enhancement and self-effacement styles of communication
C.
Elaborate, exacting and succinct styles of communication
D.
Personal and contextual styles of communication
E.
Instrumental and affective styles of communication
【判断题】神经症是一组器质性的大脑神经功能轻度失调的心理疾病
【单选题】What's the topic of this passage?
A.
Introduction of communication tools
B.
Details of written communication
C.
Communication in an organization
D.
How to improve communication
【简答题】液压系统中的压力取决于( ),执行元件的运动速度取决于( ) 。 2 .液压传动装置由( )、( )、( )和( )四部分组成,其中( )和( )为能量转换装置。