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黑灾
释义
黑灾
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农学
黑灾
释
winter drought of pasture
黑灾
冬春季节积雪过少或无积雪,牲畜长期缺乏饮水,造成膘情下降、母畜流产、疫病流行,甚至大批牲畜死亡的灾害。与冬春因长时期积雪过多过厚而发生的“白灾”相对。又称渴灾。
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iron
iron and steel analysis
Iron and steel E-commerce
iron and steel making
iron and steel scrap
Iron Axle-bearings from Mianchi
iron bacteria
iron-based cast and wrought superalloy
iron based cast superalloy
iron based catalyst
Iron based powder metallurgy material with high density
iron based superconductor
iron-based superconductor
iron bath gas making
iron binding globulin
iron bird test of flight control system
iron bridge
Ironbridge Gorge
Iron Cannons of the Hongwu Reign,Ming Dynasty
iron carbide
iron-carbon phase diagram
iron carbonyl
Iron Casting Site at Zhaoxiancun
Iron-casting Workshop of Han Dynasty at Taicheng
iron chloride
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