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Dujiangyan City
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Dujiangyan City
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Dujiangyan City
都江堰市大观镇红梅村古荔枝树
该树又名“雅安琼楠”,位于都江堰市大观镇红梅村6组龙头桥,树龄约1000年,主干高22米,胸围3.77米。
工学
古树名木
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Dujiangyan City
都江堰市聚源镇导江村古银杏
该树位于都江堰市聚源镇导江村三组,树龄约1400年,号称川西“第一大”银杏。
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vacuum impregnating
vacuum induction sintering furnace
vacuum infiltration transformation
vacuum ingot casting
vacuum insulation pipeline
vacuum leak detection
vacuum level
vacuum line technique
vacuum load switch
vacuum manometer
vacuum mass spectrometer
vacuum melting furnace
vacuum metallizing plant
vacuum microdischarge
vacuum microelectronic device
vacuum microelectronics
vacuum mold casting
vacuum multi-layer thermal insulation
vacuum nano-diode
vacuum nanoelectronics
vacuum nano-triode
vacuum oxygen decarburization
vacuum packaging
vacuum physics
vacuum polarization
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