1) true groundwater velocity
地下水真速度
2) rate of depletion
地下水枯竭速度
3) actual groundwater velocity
地下水实在速度
4) underwater velocity
水下速度
1.
The composition and working law of the induction velocity measurement sensor and some critical problems about underwater velocity measurement have been analyzed and discussed.
对感应测速传感器的组成、工作原理、水下速度测量的关键问题进行了分析讨论。
5) underground water flow velocity
地下水流速
1.
The 4 A section of Shenzhen Metro is a mining tunnel, Guang-shen Railway Bridge is right above it, while the underground is an ancient backfilled river course, the underground water flow velocity can be up to 40m/day, so it is hard to conduct the construction with conventional method.
深圳地铁4A标段暗挖隧道施工,地面是广深铁路桥,地下为古河道回填地层,施工条件复杂,特别是地下水流速达40m／d,常规工艺难以解决,通过技术改进,成功地采用冻结法进行地层加固,确保地面交通和建筑安全,隧道实现了安全按期和优质施工。
2.
The 4A section of Shenzhen Metro is a mining tunnel, Guang - shen Railway Bridge is right above it, while the underground is an ancient backfilled river course, the underground water flow velocity can be up to 40m/day, so it is hard to conduct the construction with conventional method.
深圳地铁4A标段暗挖隧道施工,地面是广深铁路桥,地下为古河道回填地层,施工条件复杂,特别是地下水流速达40m/d,常规工艺难以解决,通过技术改进,成功地采用冻结法进行地层加固,确保地面交通和建筑安全,隧道实现了安全按期和优质施工。
6) vacuum dropping speed
真空下降速度
1.
This paper raises the dynamlc mathematical model for vacuum pressure of condenser during turbine vacuum dropping test, and analyses the relationship between air leakage flow and vacuum dropping speed during test.
本文建立了凝汽器在真空严密性试验工况时排汔压力的动态数学模型，分析了凝汽器真空下降速度与漏入空气量之间的关系，并对真空严密性试验的工作程序提出了修改意见。
补充资料：地下水水资源评价(见水资源评价)
地下水水资源评价(见水资源评价)
d ixiashui shuiziyuan Ping】ia地下水水资源评价见水资源评价。
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