收缩压与舒张压之差称为( )
A．收缩压B．舒张压C．脉压D．平均动脉压E．中心静脉压
参考答案：C
136. ---I’ll thank you ______ my affairs _______.
--- I will. It’s none of my business.
A．for leaving; out
B．to leave; alone
C．for leaving; alone
D．to leave; out
耙斗装岩机绳轮与绳槽磨损严重是什么原因？
