Cain said, "Four hyd return temps?"

凯恩说道，“4个液压回路的温度？”

This basic concept is illustrated in most texts on hyd aulics.

这个基本概念在大多数水力学教科书中已有介绍。

HyD. Star Fluid Controls is a Joint - stock company of China and America.

瀚德斯流体控制公司是一家中美合作的股份制企业。

HYD Concrete pump offers stronger pumping ability, quicker pumping rate, little pumping jam, and better ma-chine performances.

海亿达混凝土泵性能稳定，工作可靠，实现了更强的泵送能力、更快的泵送速度、更少的堵管，更优的机器性能。

Therefore, only when the characteristics of pressure and temperature both are considered together, can we evaluate the performance of a hyd…

因此，只有同时研究液压泵的压力特性和温度特性，才能较全面地评价一个泵的性能。

HYD co. Ltd. offers its excellent concrete pumps to the market, with super machine advantages, high performance -value rate, and high quality service.

海亿达公司以卓越的机器性能、高性价比和优质服务将海亿达混凝土泵投放市场。

Direct control of electro hydraulic digital direction & flow valve by means of PLC can make the control system of hyd. system become simpler, cheaper and reliabler.

采用可煽程控制器（PLC）直接控制电液数字方向流量阀，可使液压系统的控制系统简洁、可靠、成本显著下降。

ResultsThe degree of headache alleviation and cure rate were significantly higher in treatment group than control group. The occurrence rates of cerebral vasospasm and hyd...

结果治疗组头痛减轻程度、痊愈率明显优于对照组，脑血管痉挛、脑积水发生率明显低于对照组，而未增加再出血、脑疝发生率及病死率。

Research shows that add have fine powder thixotropic agent HYD - B MRF thixotropic superior performance not add fine powder thixotropic agent HYD - B MRF thixotropic performance.

研究表明，添加有细粉触变剂hyd - B的磁流变液触变性能明显优于没有添加细粉触变剂hyd - B的磁流变液触变性能。

It was proposed that the Mg-based hydrogen storage material of excellent hydriding and dehydriding properties can be prepared by using the present technology. The application state of Mg-base hyd...

分别对合金材料和复合材料的储氢性能进行了系统的阐述，指出现有的技术手段已经能够制备具有优异充放氢性能的镁基储氢材料。