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ecological recycling
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ecological recycling
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ecological recycling
生态循环
在生态系统中,物质从环境开始,经生产者、消费者和分解者,最后回到环境中去,完成一个从简单无机物到有机复合物,最终又回到简单无机物的过程。
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underground gravity survey
underground haulage machinery
underground health facilities
underground high pressure operation safety
underground hydropower station
underground in pit tank
underground intelligent pipe network
underground launching silo
underground leaching of ore
underground loading equipment
underground logistics system planning
underground magnetic resonance imaging system
underground material transpoter
underground mechanized scaler
underground mine development
underground mine development choice
underground mined-out areas
underground mine emergency refuge system
underground mine intelligent dispatch
underground mining construction schedule planning
underground mining machinery
underground mining methods
underground mining schedule planning
underground multifunctional vehicle
underground municipal facilities
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