... 双排片孔 bilateral perforation 双控台 double control console 双掷接点 two way contact ...
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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。
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