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全国木材战略储备生产基地
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全国木材战略储备生产基地
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农学
国家储备林
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national timber security base
全国木材战略储备生产基地
为解决国家木材供需矛盾,着眼于国内优势林地资源,加强森林资源培育,开展集约经营,优化品种结构,提高重点地区的林地生产力,而营建的木材生产基地。
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vacuum-extraction of the fetus head for midwifery
vacuum field
vacuum filter
vacuum filter equipment
vacuum filtration of mineral processing products
vacuum flask
vacuum fluctuation
vacuum fluorecent display
vacuum fluorescence
vacuum forming
vacuum freeze dryer
vacuum furnace
vacuum gauge
vacuum generator
vacuum glass
vacuum graph
vacuum grating spectrograph
vacuum heater
vacuum heat treatment
vacuum heat treatment technology
vacuum impregnating
vacuum induction sintering furnace
vacuum infiltration transformation
vacuum ingot casting
vacuum insulation pipeline
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