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.

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。

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The technical standards of educational instrument are criterion of ensuring better service for school teaching, and also the technical specification basis of educational instrument.

教学仪器的标准是保障教学仪器为教学服务的准绳，是教学仪器技术性能的基础。

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Noticea. The product specification of high-energy bio-ion instrument for coronary artery disease must be read before operation.

治疗操作前必须认真阅读《高能生物离子高血压·脑中风治疗仪产品说明书》。

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