Can be used in ship industry, cold water treatment, sea water and cold oil, Low pressure valves, rotating equipment, and reciprocating pump hydraulic squeeze machine, the ship propeller equipments.

可应用于船舶行业、冷水处理、海水及冷油上；低压阀门，旋转设备，及往复泵液压榨机，轮船螺旋桨等设备。

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Introduces the working principle and structure trait of CY3 hydraulic pressure operation machine, analyzes operating faults in detail, brings forward concerned treatment scheme.

介绍了CY 3型液压操作机构的工作原理及结构特点，对其实际运行中出现的故障进行了详细的分析探讨，并提出了有关处理方案。

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The survey of pressure and the temperature for oil well ground is the key technology when do operation on hydraulic fracture treatment.

油井地层压力和温度的测量是水力压裂作业时关键工艺之一。

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