判断题

图解直接法为能量线与管路系统特性线求交点。
正确
错误

答案：正确

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单项选择题

哪一项不适合作为以下问题的答案？
“How do you deal with your weakness?”
A、I am trying to overcome it.
B、I have made a plan to overcome it. And I believe I will succeed.
C、No one is perfect. So I will just let it be.
D、I will face it bravely and try to improve myself.

单项选择题

需要缩短迷宫密封的轴向尺寸，可用台阶式迷宫密封。
A、正确
B、错误