现场应用表明,该水泥浆体系解决了桩西油田地层压力低、封固段长和固井质量差的问题。
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对水稻覆膜旱作条件下稻田地下水水质变化作了动态检测.
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Farmers brought water from the river to the fields and raised their crops.
农民将水从河中戽到田地里,培植他们的庄稼.
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Similar studies took place in Fillchiose [ field trials ] in Mali and in Michel [ Niger ] .
相似的田地实验的研究在马里和 尼日尔 发生.
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Around the year 1100 , the cities and fields were abruptly aban doned.
大约在公元l100年, 这些城市和田地突然被遗弃.
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On the West Coast there are strands of virgin timber and fertile farmland.
西海岸则有许多未经开发的森林和肥沃的田地.
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Development and Achievement of Three-dimensional Visualization in Digital Oilfield Based on Skyline
基于Skyline技术的油田地面三维可视化开发与实现
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