... automatic gear 自动（传动）装置 automatic grab 自动抓斗 automatic lathe 自动车床 ...
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自动抓斗吊车 automatic grab crane
自动推进式抓斗挖泥船 self-propelled grab dredger
全自动垃圾抓斗起重机 Automatic Garbage ; Automatic Garbage Grab Crane
同时抓斗处于高压力工作状态，保证抓斗在移位过程中即使液压锁失灵抓斗也不会自动打开。
In the meanwhile, it guarantees that even when the hydraulic lock seizes up during move the grab will not open automatically.
一旦工作压力降低，泵感应到压差增大，会自动增大斜盘角度增大排量，抓斗又处于工作状态。
When the pressure decreases, variable pump will detect this change and automatically increase the angle to augment flow capacity, which causes the grab back to normal working condition.
特别详细阐述了抓斗实现自动开闭斗的原理，以及抓斗自动沉抓功能的实现。
Special elaborated on opening and closing automatically grab buckets of principle, as well as grab automatic Shen grasping function can be achieved.
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