试题预览
1
单选题
1分
- A. air bottle
- B. crank case
- C. air compressor
- D. combustion chamber
2
单选题
1分
- A. steam engines
- B. diesel engines
- C. electric motors
- D. gas turbines
3
单选题
1分
- A. kinetic energy
- B. potential energy
- C. mechanical energy
- D. thermal energy
4
单选题
1分
- A. heat
- B. power
- C. horsepower
- D. foot-pound
5
单选题
1分
- A. Chemical energy
- B. Mechanical energy.
- C. Thermal energy.
- D. Electrical energy.
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