以下为句子列表：
英文: Abstract: Construction method by steps is used for pre-embedded parts of steel structure engineering foundation with easy construction, high accuracy and good quality, and the economic benefit is remarkable.
中文: 文摘:在钢结构工程基础预埋螺杆的施工中，采用一次就位分步施工法，施工简单、精度高、质量好，经济效益显著。
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英文: Abstract: Discuss a technique of oil tube elevator,introduce the constrution,principle,and safety of the new oil tube elevator latcher,and analyse the economic benefit and the apply prospect of the oil tube elevator with the exchangeable erescent elevator
中文: 文摘:介绍了新型吊卡销的结构和原理与安全性，剖析了可更换小月牙式油管吊卡的经济效益和推广应用前景。
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英文: Abstract: In this paper, Equipment Factory experiences in control of production cost to improve economic benefit are introduced.
中文: 摘要：本文着重讲述装备分厂为提高经济效益，在控制生产成本方面的一点经验。
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英文: Abstract: The paper studies the important technique and index in application scope， equipment configuration， operating duty， energy consumption， irrigation application efficiency and economic benefit of pipe-sprinkler combined irrigation, and presents the
中文: 文摘:针对管喷结合灌水技术的应用范围、设备配置、运行方式、能耗、灌溉水利用系数以及效益等关键技术及指标进行了探讨，并提出了低压管道和多孔式微喷带结合系统的使用方法。
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英文: Abstract: This paper briefly introduces the components of structures for both moulded sand bag embankment and moulded concrete bag,its construction and processes.It points out that good economic benefit can be realized by applying this process in shallow
中文: 文摘:简要介绍模袋砂子堤和模袋砼结构的组成及施工工艺等，指出对浅海滩采用此工艺能减小路堤的工后沉降，可收到较好的经济效益。
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