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古代分水工程
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古代分水工程
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古代分水工程
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Ancient Water Distribution Project
古代分水工程
中国古代按照灌溉需要分引天然河道来水或在干渠上向各支渠分水的工程措施。比较典型的有分水鱼嘴、分水平梁、铧嘴、分水天平、分水闸坝以及一些临时工程。
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Ophir Chasma
Ophiuchid meteor shower
Ophiuchids
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Ophiuchus Ridge
ophiuride
o-phthalic anhydride
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o-phthalimide
ophthalmic
ophthalmic inspections in children
ophthalmic lens
ophthalmic nerve
ophthalmic optics
ophthalmic placode
ophthalmic polymer
ophthalmic preparations
ophthalmic rehabilitation treatment devices
ophthalmic somite
ophthalmic surgical operation clamp
ophthalmic surgical operation hook & needle
ophthalmic surgical operation instruments
ophthalmic surgical operation scissors
ophthalmic surgical operation tweezer & clip
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