“top-down method”的概念、定义、翻译、参考文献-科学参考

单词	top-down method
释义	top-down method Encyclopedia 工学抗浮（拔桩）释 top-down method逆作法沿建筑物地下室四周外墙施工地下连续墙或密排桩，既作地下室永久性承重墙的一部分又作基坑开挖挡土、止水的围护结构，同时在地下室柱的中心和纵横框架梁与剪力墙相交处等位置施工楼层中间支承柱，从而组成逆作阶段的竖向承重体系，随之从上向下挖一层土方，利用地模或木模（钢模），浇筑一层地下室楼层梁板结构的施工方法。
随便看	health effect of algal toxins health effect of cooking oil fume health effect of indoor air quality health effect of indoor decoration pollution health effect of indoor environment health effect of secondary water supply health effect of stink health effects of ambient particulate matter pollution health effects of ammonia health effects of arsenic pollution health effects of atmospheric pollution health effects of cadmium pollution health effects of carbon dioxide health effects of carbon monoxide pollution health effects of chromium health effects of cold environment health effects of cyanide health effects of dioxins health effects of dust health effects of dust mite health effects of electromagnetic radiation health effects of endocrine disrupting chemicals health effects of environmental pollutant health effects of environmental pollution on children health effects of environmental pollution on elderly people

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