Presta普雷斯塔Presabbr.主席；总统(=President)abbr.现在(=present)Preserving one's roots through genealogyPreservation conditions of gas reservoir气藏散失系统prestressed concrete continuous box beam预应力混凝土连续箱梁prestressing tendon-anchorage assembly预应力锚具组装件prestressing force reinforcing bar beton拱板prestressed-concrete thin-hollow slab预应力空心薄板prestack amplitude-preserved processing叠前保持振幅处理prestressed high-strength concrete pile预应力管桩presurgical preparation in osseous surgery骨手术的术前准备Preservation Techniques of Cultural Relics文物保护技术