[名词解释] 点连式调速系统 poin-continued speed control system
[名词解释] 点式调速系统 point type speed control system
[单选题]Remote control means that the system is being controlled by the operator who is situated () from the system.A . automaticB . localC . remoteD . manual
[单选题]()is the management system to control the material consumed reduce inventory in the manufacture company.A .DPRB .LPRC .MRPD . D.ERP
[单选题]英语AUTOMATIC CONTROL SYSTEM指()A .控制网络B .自动控制系统C .控制面板D .控制盘
[单选题]_______control system is one in which the control action is independent of the output.A.Feed backB.Negative feed backC.Close loopD.Open loop
[单选题]A new system ofquality control was [brought in] to overcome the defects in
[单选题]在自动化驼峰的调速方式中,连续式的调速工具是()。A . 减速器与减速顶B . 减速器C . 减速顶D . 加减速顶
[单选题]DGS 8800e调速器在调速器面板上“CONTROL MODES”区域里有三个控制按钮,用来选择特殊工况下的控制功能。这三种特殊控制模式是:()。Ⅰ、手动转速限制模式Ⅱ、恒定油量控制模式Ⅲ、应急操作控制模式Ⅳ、恶劣海况控制模式Ⅴ、燃油设定值直接控制模式A . Ⅰ+Ⅲ+ⅣB . Ⅱ+Ⅲ+ⅣC . Ⅰ+Ⅱ+ⅣD . Ⅱ+Ⅳ+Ⅴ
[单选题]如果称平滑调速为连续(无级)调速,那么属于连续调速的方法是()。A . 调磁极对数调速B . 调转差率调速C . 调频调速D . 调磁极对数调速、调转差率调速、调频调速