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The research on piggery environmental management and conservation need to be strengthened.
对猪场环境管理及环境保护的研究工作还需加强.
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To ensure economic and safe operation of the pipeline, the suitable pigging plan is worked out.
为了确保津京输油管道的经济安全运行, 提出了适合目前运行方式的清管方案.
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Pigging is a very important operation for two-phase flow pipeline.
混输管路清管技术的研究对混输管道的运行管理具有非常重要的意义.
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Pressure test of segmental pigging: cleanup sundries , free rust, drainage and exhaust in pipe.
分段清管扫线试压: 清除管线杂物 、 浮锈 、 排水、排气.
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公司是生产管道清管设备 、 绝缘接头以及管道用 非 标设备的专业股份制企业.
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The effectiveness of pigging depends on correct selection of pigging equipment.
清管作业的有效性,应以正确地选择清管设备为前提.
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清管及挤涂工具的阻卡探测系统是采用甚低频无线电波发射、接收.
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Ralph pulled himself out of the water, stood facing Piggy, and considered this unusual problem.
拉尔夫从水里爬了出来, 面对猪崽子站着, 思量着这个不寻常的问题.
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