回填

The mechanical properties of argil fly-ash concrete and effectiveness of its application to abutment-backfill are investigated by material experiment, centrifugal modeling test and numerical calculation.

通过材料性能试验、土工离心模型试验和数值计算，研究陶粒粉煤灰混凝土的物理力学性能及其在桥涵台背回填的应用效果。

The Callovo-Oxfodian argillite is now proposed, after being crushed and compacted, as an alternative backfilling material in the geological HLW repository.

目前，粉碎后的Callovo-Oxfodian黏土岩被考虑为可选的回填材料之一。

Earth excavation and backfill is to have the appropriate security measures to strictly regulate the construction.

土方开挖与回填是要有相应的安全措施，要严格按规范施工。

To protect it, we had to backfill on it again.

为了保护遗址，又将遗址进行了回填。

Heat transfer performance of different backfill materials and temperature field variation of ground-coupled heat pump system are studied.

试验研究了两种不同回填材料地埋管换热器的热响应性能、地源热泵运行对地源温度场的作用。

Hook up the plumbing to the filter and backfill around it.

钩了水管，以过滤和回填左右。

TI: Piping and erosion in buffer and backfill materials.

缓冲和回填材料中的管蚀和剥。

Assessment of backfill materials and methods for deposition tunnels

沉积通道回填材料和方法的评价

Construction of the main structure of the basic construction site to complete the ongoing construction of earth backfill.

施工现场主体结构施工基本完成，正在进行土方回填施工。

4 From the center line of the pipe up to 600 mm above the top of the pipe, the backfill shall be deposited in maximum 150 mm layers, each layer being compacted with suitable rampers to 95 percent of maximum density in accordance with ASTM-D1557 for cohesive soils, to 70 percent relative density in accordance with ASTM-D2049 for cohesionless soils.

从管道的中线到管道上部600毫米的高度，回填土应每层为150毫米的厚度，每层回填土应以适当的捣锤压实，根据ASTM-D1557规范，粘土应压实的最大密实度为95%，根据ASTM-D2049规范，非粘土应压实到相对密实度为70%。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷