以下为句子列表：
英文: 419 Please explain the method of field test and flushing (blowing off )of the pipelines.
中文: 请说明管线的现场试验和冲洗（吹净）方法。
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英文: According to the serious paraffin deposit in Daqing Oil Field and the surface technique gathering and transferring flow used in the oil field, a kind of paraffin remover and inhibitor is studied to substitute the well-flushing technique in the peripheral
中文: 针对大庆油田结蜡严重的问题，根据油田采用的地面工艺集输流程，研究出能够在外围油田代替热水洗井工艺的油井清防蜡剂。
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英文: After initial installation, a discharge from the relief valve opening may occur due to inadequate initial flushing of pipe lines to eliminate dirt and pipe compounds.
中文: 注：在闭端应用环境，如锅炉给水管道或冷却塔补水管道，由于在静态或无流动期间，供应压力有所波动，因此安全阀可能发生周期性排放。
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英文: Automatic toilet machines, attached flushing system, hand wash detergent, and soft toilet paper, have your business done any time without leaving evidence.
中文: 自动上厕所机，自带冲水系统，洗涤精，还有舒适的卫生纸，即使随地大小便也不留痕迹。
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英文: Based on the moveable-bed model tests and some relative studies, it is found that the proposal reservoir for the Hongshiyan Hydropower Station will be a heavy deposit reservoir, its sand-flushing sluice could not effectively de-silt and serious hidden-tro
中文: 摘要待建的红石岩水电站水库属严重淤沙型水库，通过动床水工模型试验和有关研究分析发现，其冲沙闸排沙效果不理想，引水隧洞存在进沙严重的隐患。
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