海关核查不得影响企业的正常经营活动。

Customs inspections shall not affect the normal business activities of the enterprises.

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因此，建立一套行之有效的物资供应体系以保障物资的正常流动对于企业的正常经营而言至关重要。

So setting up an effectual material supply system with normal goods and materials flow is essential to enterprises normal operation.

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