1) advanced hole draining
超前洞内排水
2) advance water discharge
超前排水
4) drainage tunnel
排水洞
1.
The application of smooth blasting in drainage tunnel construction of Longtan hydropower station
光面爆破在龙滩水电站排水洞施工中的应用
2.
The water leakage was changed in some drainage tunnel after water storage in Xiaolangdi hydropower project.
小浪底工程下闸蓄水后部分排水洞出现了渗漏水现象,建设单位对此采取了一系列综合防渗措施。
3.
The geological conditions of the drainage tunnel of Shenxigou ditch-water treatment project is complex.
深溪沟沟水处理工程排水洞地质条件复杂,主洞开挖过程中受断层、堆积层、不良地质段等条件约束,流沙、涌水、涌泥、塌方等地质灾害难以避免,必须超前考虑各种应对措施,以便及时调整施工方案,提高施工效率和确保施工安全可靠。
5) draining culvert
排水涵洞
1.
By the practice of engineering, the measures of digging and centralized precipitation taken in digging trench of draining culvert not only can speed up the engineering schedule and save manpowers and materials, but also can ensure the engineering quality under the condition of the complicated geology.
通过工程实践,证明在复杂工程地质条件下进行排水涵洞沟槽开挖中采用大开挖集中降水的措施,不但加快了施工进度,节约了人力物力,而且确保了施工质量。
6) drilling hole in advance
超前探孔(洞)
补充资料：洞上
【洞上】
（杂名）曹洞宗也对于末师末流而云上。
（杂名）曹洞宗也对于末师末流而云上。
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