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DEVICE FOR CONTROLLING WATER LEVEL IN WATER-DEVELOPMENT WORKS
DEVICE FOR CONTROLLING WATER LEVEL IN WATER-DEVELOPMENT WORKS
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机译:水务工程中水位控制装置
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摘要
the device дл регулировани уровн water in hydraulic сооружени х most effectively can be used in irrigation systems with водовьтусками from the напорного pipeline in pools orthe channels.the device
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