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古代引泉济运工程
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古代引泉济运工程
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理学
古代引泉济运工程
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projects of diverting spring water to supply canal in ancient China
古代引泉济运工程
大运河沿线为解决水源补给困难以确保航运畅通而采取的引用泉水的工程技术,主要分布于通惠河、会通河和卫运河上游。
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magnetic semiconductors
magnetic sensor
magnetic separation
magnetic separation column
magnetic separation equipment
magnetic separation of chromite
magnetic separation of hematite and limonite
magnetic separation of iron ores
magnetic separation of iron ore with rare earth and niobium minerals
magnetic separation of magnetite
magnetic separation of manganese ores
magnetic separation of siderite
magnetic separation of tantalum niobite
magnetic separation of vana-titano magnetite ores
magnetic separation of wolframite
magnetic separation process
magnetic separation process control
magnetic separator
magnetic separatrix
magnetic shape memory alloy
magnetic shear
magnetic sheath
magnetic shell
magnetic shield
magnetic shielding
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