重锤式自动保压锁定性系统中，蓄能器用作系统压力的补偿和锁定油缸的退锁。
Steelyard weight type automatically guarantees presses in the locking system, the accumulator serves as the system pressure to compensate and to lock the cylinder to back to lock.
重锤式自动保压型系统中，蓄能器用作系统压力的补偿。
Steelyard weight type automatic constant voltage system, the accumulator serves an the system pressure compensating.
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