部分预加应力; 部分预应力;部分的预应力

prestressing prestressing mechanism prestressing force prestressing steels partial final prestressing force upside down prestressing jack partial geometry partial loading partial involucre partial difference partial distance prestressing tendon (prestressing reinforcement) prestressing cable nonsimultaneous prestressing circumferential prestressing electrical prestressing prestressing tendon longitudinal prestressing full prestressing prestressing steel auxiliary prestressing