The drain pipe jointing material of cement mortar with addition of water glass can effectively overcome the influence of groundwater and improve the quality of the joints.
在水泥砂浆中掺入水玻璃作为排水管的接口材料，能有效克服地下水影响，提高了接口工程质量。
For that project, cement and chemical pre-grouting was originally used to reduce groundwater inflows.
对于那个项目，前填水泥的水泥和的化学制品最初被用于减少地水流入。
A percolation leaching test was carried out on cement-solidified fly ash specimens to simulate the case of rain penetrating into them, then into soil and finally into groundwater.
模拟雨水通过土壤的渗滤过程，进行了粉煤灰硬化体渗滤溶出试验。
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