2) backfilling mortar
回填砂浆
1.
In this way,the construction quality is very good ,also dispensing with backfilling mortar once more.
三峡电源电站厂房采用铺设弹性垫层,蜗壳座环阴角区采用预埋泵管在浇筑同时回填砂浆的方法,不但施工质量非常好,还可免去二次回填灌浆。
3) and back filling sea sand
海砂回填
4) backfilling sand
回填砂
1.
The swatch values of friction factor of three kinds of precast buried heating pipe and backfilling sand is calculated.
通过对施工变量、运行变量的工程测量及计算得到三种规格的预制直埋供热管道与回填砂的摩擦系数样本值。
2.
In order to meet the needs of engineering, the friction from dn600 to dn800 preinsulated heating pipe and backfilling sand is tested on,The experimental results is useful for the engineering design of center heating of city.
通过对运行中的DN800,DN700,DN600等直径的供热直埋管道的工程测试,获得了大口径直埋供热管和回填砂的摩擦系数及其变化规律。
5) Gravel backfills
砂砾回填
6) sand compacted backfill
撼砂回填
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