求翻译：工作装置水平挖掘时，要求铲斗在整个挖掘区域内，能够保持后角基本不变，进行水平挖掘；当整个挖掘区域内进行水平挖掘时，工作装置机构无死点。是什么意思？

Requirements bucket in the entire mining area, the excavation of the working device level, the angle can be maintained unchanged, the level of mining; level of mining the entire mining area, the working device bodies dead.

When the horizontal excavation, bucket in the entire excavation area, to be able to hold the angle will remain essentially the same, a horizontal excavation; when the entire excavation excavation level within the region, the unit, no dead spots.

When work installment level excavation, requests the scoop in the entire excavation region, can maintain the clearance angle basically invariable, carries on the level excavation; When in the entire excavation region carries on the level excavation, the work installment organization does not have th

When the work unit level mining, mining within the region as a whole require bucket, to keep the Horn is essentially the same, the level of mining; when you level mining mining within the region as a whole, working appliances without the dead.

正在翻译，请等待...