The 10' high door makes use of a hydraulic pivot and a concealed magnetic locking device.
这扇10英尺高的大门内有液压装置外封磁石锁。
The hydraulic locking and pressurizing device has the advantages of simple and reasonable structure design, rapid and convenient operation, reliable work, high efficiency and automation degree.
本实用新型液 压锁固和保压装置具有结构设计简单、合理，操作方便快捷，工作可靠，效率 及自动化程度高等优点。
The new swing clamps maintain the total clamping force by a patented self-locking device if hydraulic pressure is cut off or drops.
新的摇摆夹维持专利自锁装置的总锁模力液压如果被切断或下降。
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