Presas普雷萨斯Presabbr.主席；总统(=President)abbr.现在(=present)presutural depression沟前洼presumptive notochord预定脊索prestress anchor rope预应力锚索prestressing concrete预应力混凝土presedimentation tank预沉池prestressed drill way预应方孔道prestressing T-beam预应力T梁presplitting blasting预裂爆破prestressed anchoring预应力锚固prestressed pipe pile预应力管桩