possess oneself
1.The original confuses uncertain earth oneself distinguishing feature on the basi s of force,is underway analyzing the element that the effect prestressing force concret is living the prestressing force loss in the building process compara tively completely,and proposes relatively actual modification prestressing force loss m eans and step moreover,and causes that the prestressing force loss obtain decrea sing further,adjust to lift the prestressing force eoncret seavice life possess actual pragmatic value.
