问题
单项选择题
当曲柄连杆机构中曲柄和连杆位于同一条直线上时，机构就会形成（）。
A.死点
B.加速
C.减速
D.折断
答案
参考答案：A
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当曲柄连杆机构中曲柄和连杆位于同一条直线上时，机构就会形成（）。
A.死点
B.加速
C.减速
D.折断
参考答案：A
What does the speaker mean a. The administrative function and the roles were poorly fulfilled, which caused the violence. b. The deep-seated corruption in the government has contributed to the violence. c. The government’s tyrannical ruling had caused the chaos. d. The fight for power caused chaos that contributed the violence.