In the process of logging, the comprehensive logging instrument used in drilling site must has corresponding explosion-proof standard.
录井过程中，钻井现场使用的综合录井仪要具有相关的防爆安全标准。
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。
At the end of the trip the receiver breaks the tamper-proof seal, opens the instrument, and removes the chart of in-transit temperature conditions.
行程结束，收货人揭去开启封，打开记录器，就可以得到运输温度——时间变化曲线图，方便现场判定运输情况。
At the end of the trip the receiver breaks the tamper-proof seal, opens the instrument, and removes the chart of in-transit temperature conditions.
行程结束，收货人揭去开启封，打开记录器，就可以得到运输温度——时间变化曲线图，方便现场判定运输情况。
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