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water resources development and utilization
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water resources development and utilization
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工学
水资源开发利用
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water resources development and utilization
水资源开发利用
为使在一定的时间和地点供给符合质量要求的水量,通过采取有针对性的措施,对天然水资源所进行的有效治理、控制、调配、保护和管理。
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roadbed
roadbed of forest road
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road coloring problem
road condition measuring instrument
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road construction and road maintenance machinery
road construction and road maintenance machinery and equipment
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road construction equipment
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road cutting machine
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road elevation
road engineering geo-logical problems
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road for factory and mine
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road frost boiling
road frost damage
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