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。
The process equipment of light hydrocarbon in Baolang oilfield is a key equipment of class a fire prevention and the first order explosion-proof.
宝浪联合站轻烃工艺装置是宝浪油田甲级防火、一级防爆的关键装置。
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