There is a hydraulic lock which is composed of two pilot controlled check valves in the rotary cylinder to retain pressure.
高速回转液压缸内集成了由两个液控单向阀组成的液压锁，对液压缸保压。
There is a hydraulic lock which is composed of two pilot controlled check valves in the rotary cylinder to retain pressure.
高速回转液压缸内集成了由两个液控单向阀组成的液压锁，对液压缸保压。
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