【判断题】画辅助电路图时,电路中与下边电源线相连的耗能元件要画在电路图的下方,而元件的触头要画在耗能元件与上边电源线之间。为读图方便,一般应按照从左到右、自上而下的排列来表示操作顺序。
【判断题】梯形图中,若Q0.0的线圈通电时对应的硬件继电器的常开触点断开。
【判断题】梯形图中,若Q0.0的线圈通电时对应的硬件继电器的常开触点闭合。
【单选题】Can you explain ______ that the medicine has for my illness?A.about the function to meB.me about
A.
2. Can you explain ______ that the medicine has for my illness? A.about the function to me
【单选题】The president should explain to the employees about the special_____the company will get through this contract.