离心式压缩机有哪些主要性能参数？
参考答案：
离心式压缩机的主要性能参数有流量、出口压力或压比、功率、效率，转速、能量头等。
根据句意填写单词，已提供第一个字母，每空一词。
1. Wash your hands carefully with the s_____. They are too dirty.
2. He will come to see you t_____, not tomorrow.
3. I asked them what they t_____ about the movie.
4. She loves cats, w_____ her sister loves dogs.
5. The reporter(记者) i_____ us yesterday. He asked us a lot of interesting questions.
转向机润滑不良会造成（）。
A.转向沉重
B.转向不灵敏
C.转向半径过小
D.转向跑偏
