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ϢԴɽ²޹˾ʱ䣺2019-9-11

    ʯڼͥװеӦԽԽ㷺ŹҶȻʯĵĿɿԽԽϸⲿȻʯķԳأȻʯӦװΡš̼ɫŵձУӷѭúͽܻʯƷ𽥳֣õֲȻʯĵȱݣʯӲȵױλѰҸõĴƷУʯӢʯijȫչʯװ֮

ʯӢʯ90%ʯӢᾧ7%֬ճ˹ѹɣʯҲΪϳʯΪʯӢʯк90%ϣ90%Ϊϸ֬нǿήӲȣʯӢɰʯӢʯ֮ΪʯӢʯʯƷжʯӢʯɫʷḻʣ⻬޿סϸСơոѹ״̬γɣܶȿɴ2.3g/cmӲȿɴﵽĪӲ6ϣ԰ı޷˺ˮʽΪ0.02%ʹҺ͸ڰڲˮ⣩ʯӢʯ޶޷䡢ȩԡ

ʯӢʯʯĿԺͷḻɫʣ˹ƣ־ȻʯӲȣ䱾־͸ʴ͸¡͸ڶƣʯӢʯijָõֲװгʯĵȱʯӢʯ۸ʯģûȫӦװУҹʯӢʯIJʯӢʯ۸Ҳ񻯡װʦʯӢʯԽԽĿǰʯӢʯѱ㷺ӦڸװСʯӢʯҵĿٷչһЩСͳһɽկģ½׶ΣһЩΪ˿ٻ˲ƷԹʯӢʯҪ

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