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DEVICE FOR ADJUSTING WATER LEVEL IN WATER-DEVELOPMENT WORKS
DEVICE FOR ADJUSTING WATER LEVEL IN WATER-DEVELOPMENT WORKS
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机译:在水利工程中调节水位的装置
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摘要
device for regulating the water level in the water storage facilities, which located between the upper and lower бьефами водовыпускную blown out the inlet which is set by the chamber.разделенна membr
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