inner spring

The third mainly describes the inner spring of man's pursuit of happy life, underlining that only those nurturing excellent moral merits can win real happiness, for different moralities lead to diversified life significance and behaviors.

性善论则主要在于表明人获得幸福生活的内在依据，强调在人类自身中间，不同的道德品性造就不同的生存意义与行为方式，只有培育优良道德禀性的人才能获得真正的幸福。

The life of the damping inner spring of Zhuan K2 bogie, the damping outer spring of Zhuan K4 bogie and the bearing outer spring of Zhuan K6 bogie in their combinations is relatively shorter.

其中，转K2型转向架的减振内簧、转K4型转向架的减振外簧、转K6型转向架的承载外簧在对应的弹簧组中相对寿命较短。