1) trench backfill
沟回填
2) Trench backfill
沟槽回填
1.
Analysis is made of the source of thermal powdered slag and its engineering properties, with several trial road sections in some practical projects, where this kind of slag is used for the trench backfill.
对热焖粉化钢渣的材料来源以及工程特性进行了分析 ,并通过非机动车 4号线埋管工程、肇嘉浜路、北虹路排管工程等试验路的实际应用 ,对热焖粉化钢渣作沟槽回填材料进行试验研究 ,并对其化学稳定性和胶凝特性机理进行了探
2.
Introduced here is the engineering application of the heat-stewed steel slag to replace sand for trench backfill, which has greater benefits technical, economic and social, and is worthy of popularization.
本文介绍了在沟槽回填中 ,采用热焖粉化钢渣代替黄砂的工程应用研究 ,取得了较好的技术效益、经济效益和社会效益 ,具有一定的推广应用意义。
3) backfilling of pipe canal
管沟回填
4) trench backfill
挖沟回填
5) backfilling gang
管沟回填队
6) groove digging and refilling
沟槽开挖与回填
补充资料：回填
土石方工程上指把挖起来的土重新填回去：～土ㄧ～的时候要逐层夯实。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条