薄截面 meaning in Chinese

thin section

With the advancement of calculating theory and design technology , as well as the wide application of computer in the engineering design area , the bridge structure is developing towards large span , thin section , and prestress . the bridge construction scheme is also made great progress . with the research on construction project , the construction of the bridges over the river or the gorge is becoming more and more simple , efficient and economical
随着结构计算理论和设计技术的进步，以及计算机在工程设计领域的广泛应用，桥梁结构向大跨度、薄截面、预应力方向发展，桥梁的施工方案也取得了很大的进展，通过施工方案的研究，使位于大江大河上及深山峡谷中的桥梁施工作业更加简单高效、经济合理。