启动按钮松开后,接触器线圈通过自身辅助常开触点仍能保持通电状态的额现象叫。
The passage discusses the Freshman 15. It represents the amount of __________that a freshman gains during his/her first year of college.
If the Freshman 15 is true, this means that freshmen gain 15 pounds on average due to changes in their ____________ and _________.