A more well known branch of fluid power is hydraulics. 流体动力的一个更广为人知的分支是水力学。
The seepage of irregular fracture is a very important problem in rock hydraulics. 不规则裂隙的渗流问题是岩体水力学中一个比较复杂的问题。
In automatics, hydraulics or servomotors do the work. 自动变速箱中则是由液压装置或伺服马达做这个动作。
Several of our research discoveries have been adapted for commercial use, and one particular breakthrough in linear hydraulics is now being used by every oil company in the country. 我们的几项研究发明经转化已被应用于商业领域，特别是在线性液压方面的一项突破性成果现在被国内各家石油公司采用。
