adjective🔗Share预应力的,预加应力的 Having been stressed before use"The prestressed concrete beam was able to support a much heavier load than a regular concrete beam because it had been strengthened beforehand. "这根预应力混凝土梁比普通混凝土梁能承受更大的载荷,因为它事先经过了加强处理。technicalmaterialChat with AIVocabulary GamePractice Reading