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低压管道输水灌溉
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低压管道输水灌溉
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农学
农业水土工程
释
low-pressurepipe irrigation
低压管道输水灌溉
利用高位水源和缓坡地形落差所提供的自然压力水头或利用低扬程机泵将灌溉水加压(一般压力≤30千帕),再通过低压管道把低压灌溉水输送到田间地头(低压输水管网的最末一级管道出水口工作压力水头一般只需3千帕左右即可),然后利用配套的给水栓进行沟灌或小畦灌的灌溉系统。
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technology acquisition
technology ageing
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Technology and Culture
technology and innovation strategy
technology and management close loop of quality problem
technology assignment
technology-based emission limits for stationary source
technology/craft education
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technology design of deposit mining
technology diffusion
technology enablement
technology-enhanced learning
technology-enhanced teacher professional development
technology evaluation
technology extension agency of Chinese grassland
technology for algae oil production
technology forecasting
technology foresight
technology for examination of software similarity
technology for measuring the coefficient of thermal expansion of material
technology for pharmaceutical analytical informatics
technology for recycling cemented carbide
technology for separation of slag and steel in tapping
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