The working situation without violent vibration and striking.
无剧烈震动和冲击的地方；
In the process of transportation, to prevent knock against and violent vibration, to prevent rain water.
运输过程中，要防止磕碰和剧烈震动，要防止雨淋水浸。
In the washing Windows process, downhole drilling of violent vibration seriously affect the quality of construction, to further window is difficult.
在侧钻开窗过程中，井下钻具的剧烈振动严重影响开窗质量，给进一步施工带来困难。
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