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Terms for subject Oil / petroleum containing erratical | all forms
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erratic behavior不规律性
erratic bit movement钻头异常运动
erratic deposition不规则沉积
erratic drift不规则掉格
erratic feeding不均匀送钻
erratic feeding不均匀给进
erratic form漂积层
erratic permeability不规则渗透率
marine erratic海相漂砾