水力的

This machine uses the hydroelectric power.

这台机器使用是电能量。

Hydel power projects, with storage facilities, provide peak time support to the power system.

具有蓄能电项目可以对系统提供峰期支撑。

The result indicates that great differences,which have significant influence on the aqua-plants,exist in the evapotranspire,the bio-mass,the root density and the root length.

研究结果表明，不同生植蒸散量、生量、根密度和根长存在较大差异，这些差异对生植泌氧性能、碎石床人工湿地负荷率、氮磷去除效果和有机污染降解有重要影响。

Based on analyzing hydraulic stepout and heating power stepout took place in hot water heating system indoor, the improvement plan is presented in this paper.

分析了室内热采暖几种系统中经常失调、热失调问题，并提了相应对策意见。

The in situ rock stress prevents the rise of confined water and water inrush for thick floor aquifuge,but for thin floor aquifuge the in situ rock stress wo.

介绍了压裂应测量原理和场测量结果,论述了煤层底板隔层带阻机理和承压沿煤层上升机理,以及原岩应、压与裂隙扩展关系。