必须满足技术规格书对仪表防爆及防护等级的要求，并提供相应的质量证明文件。
Explosion proof and protection class for instrument shall be met according to the requirements of Technical Specification, and relevant quality certificate documents shall be provided.
库管人员核对其名称、数量、规格、型号等原始状态是否与采购计划、质量证明文件和包装要求相符。
Warehouse staff to check the name, quantity, specifications, models, the original state whether the purchase plan, quality documents and packaging requirements.
如果编制的证明文件，不足以证明已经以规定的方式达到了规定的质量要求。
When documentation produced is insufficient to demonstrate that the prescribed quality requirements have been achieved in the defined manner.
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