画出齿轮车床空载自动停车电路图。齿轮车床空载自动停车电路图。
参考答案：
－Could you tell me _____?
－Sorry. I don't know. I was not at the meeting. [ ]
A. what does he say at the meeting
B. what did he say at the meeting
C. what he says at the meeting
D. what he said at the meeting
采用收益法评估土地时，收益额应该是（）。
A.过去的实际收益额
B.过去的客观收益额
C.将来的实际收益额
D.将来的客观收益额
