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Terms for subject Drilling containing 加高 | all forms | in specified order only
ChineseEnglish
最高允许浓度一时间加权平均threshold limit values-time weighted average
防喷器加高井口套管短节blowout preventer riser
附加增高底座substructure pony
高密度加重材料high density weighting material
高比重添加剂heavy weight additive

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