补全图E-31切去虚线部分后的三视图。
参考答案：
三视图如图E-32所示。
—Your spoken English is very good.
—_______.[ ]
A. I don't think so.
B. Thank you.
C. Yes, please
D. You are right.
重物吊起后应进行试吊，试吊高度为多少？
三视图如图E-32所示。
三视图如图E-32所示。