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DEVICE FOR CONTROLLING WATER LEVEL IN POOLS OF WATER-DEVELOPMENT WORK
DEVICE FOR CONTROLLING WATER LEVEL IN POOLS OF WATER-DEVELOPMENT WORK
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机译:水务工程库水位控制装置
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摘要
the invention относитс of гидротехники and is дл регулировани water in open channels, especially in the оросител х.the device contains водонаполн е organization секторный slide 2 mounted on a horiz
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