在有杆抽油系统工作过程中，抽油杆柱的合理设计是非常重要的。
Reasonable rod pump string design is very important in the working course of rod pump system.
因此在这类情况下，系统将启动一系列的防水密封装置，即沉箱。用于安置深海停泊工具和巩固地基的吸油桩技术是这些沉箱的工作基础。
For cases like this the system will have a range of watertight structures called caissons, which are based on the suction-pile technology used to emplace deep-sea moorings and foundations.
液压油黏度、容积效率和液压系统工作效率均下降，泄漏增加，甚至使机械设备无法正常工作。
The hydraulic fluid viscosity, the volumetric efficiency and the hydraulic system working efficiency drops, divulging increases, even causes the mechanical device to be unable the normal work.
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