Asphalt deposition is one of the important causes for formation damage and production reduction.

原油开采过程中的沥青沉积是引起地层伤害、产液量下降的一个重要原因。

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Objective to study the causes for formation of biliary fistula after cholecystectomy and its prevention and treatment.

目的探讨胆囊切除手术并发胆漏的原因及其预防和治疗方法。

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The paper analyzes the causes for the formation of the problem and offers some countermeasures for its solution from the angle of comprehensive application of bank assets.

本文通过分析其形成原因，从银行资产运用多元化的角度就如何充分用好存差资金提出相关对策与建议。

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This mutation causes a change in one of the amino acid molecules that makes up an important enzyme for proper bone growth and formation.

MSN: Cause of rare and fatal dog skeletal disease pinpointed