求翻译：工作装置要求动臂提升装满物料的铲斗时，保证铲斗保持水平或角度变化较小，即动臂提升时铲斗—斗杆平行四边形机构自行调整铲斗角度，保持铲斗角度变化较小，防止物料洒落。是什么意思？

Work device to raise the boom bucket full of material to ensure that the bucket to keep the smaller horizontal or angle changes, the upgrade of the boom, bucket - the Stick parallelogram mechanism to adjust the bucket angle, to keep the bucket angle variation small to prevent the material spilled.

The unit requires an ARM Full OF MATERIALS enhance the bucket, bucket or angle change is small, and that is when the arm lift bucket 4 parallel-arm side-body self-adjusting bucket angle and to maintain bucket angle change is small to prevent material spills.

The work installment requests when moves the arm promotion packing material the scoop, guaranteed the scoop maintains the level or the angle change is small, namely moves the arm promotes when the scoop - bucket arm parallelogram organization self-adjusting scoop angle, maintains the scoop angle cha

Installation requirements when the boom lifting buckets filled with material, ensure the smaller bucket level or angle change, that bucket boom lifting-body angle adjusted bucket arm parallelogram, keep the smaller bucket angle changes to prevent splashing of material.

正在翻译，请等待...