Focus locking system has been changed from point fixing to surface fixing utilizing a ring and internal mechanical structure designed for high vibration resistance.
对焦锁定系统已经从点固定改变为面固定，其原理是利用一个圆环及内部为高抗震性而设计的机械结构来实现的。
The steel rope type quick elevating system consists of double hydraulic cylinder assembly equipped with mechanical self-locking mechanism and hydraulic automatic control console.
钢索式快速升降系统由带机械自锁机构的双联液压缸组件和液压自动控制台等组成。
In 1997 h? Fele extended its range of mechanical project hardware to include the Dialock electronic identification and locking system.
1997年海福乐在原有的工程机械五金基础上，扩展容纳了Dialock电子识别及锁系统。
In 1997 h? Fele extended its range of mechanical project hardware to include the Dialock electronic identification and locking system.
1997年海福乐在原有的工程机械五金基础上，扩展容纳了Dialock电子识别及锁系统。
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