压气机的进气和排气过程是气缸内气体状态不断发生变化的热力过程。
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以毛泽东为代表的中国共产党人初步开辟了农村包围城市、武装夺取政权革命道路是在:
A. 国民革命战争时期
B. 土地革命战争时期
C. 抗日战争时期
D. 解放战争时期
If you want to inform the audience about the design of the Eiffel Tower, you can follow ________.
A. chronological order
B. spatial order
C. topical order
D. problem-solution order
If you want to inform the audience about the poetic career of Du Fu, you can follow ________.
A. spatial order
B. chronological order
C. problem-solution order
D. topical ordr
If you want to inform the audience about the Five Principle of Peaceful Coexistence, you can follow ________.
A. spatial order
B. chronological order
C. topical order
D. problem-solutionorder