单杆液压缸两腔都通入压力油的油路连接方式称为差动连接。
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液压缸的差动连接，提高了系统的效率，节省了能源，并且工作稳定、可靠。
The differential hydraulic cylinder raises the efficiency and decreases the loss of the energy.
介绍了某大型液压设备中，一水平安置的增速组合液压缸速度控制回路的工作原理及所采取的包括差动连接在内的节能措施。
The paper introduces the working principle on which the speedcontrolling loop built in a speed up and built up hydrolic cylinder is used in a heavy type of hydrolic equipment surrounded by water.
比较单频率与双频率载波通道的纵联距离保护和环状与链状连接光纤通道的差动保护方案。
It compares the pilot distance protection with power line carrier (PLC) in the single or double frequency and the differential protection with optical fiber in the loop or chain connection.
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