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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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dry hydrant system
dry ice
dry ice machine
drying
drying agent
Drying device for print
drying effiency of mineral processing products
drying equipment
drying hair towel
drying in the shade room
drying method
drying of mineral processing products
drying of moulding body
drying oil
drying oven
drying process control systems
drying room
drying section
dryinids
dry-jet wet spinning
dry[jet]-wet spinning
dryjet wet spinning
dryjet-wet spinning
dry-laid masonry dam
dry-laid nonwoven
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