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ʱ:2021-02-22 20:22 Դ: ת:ٷѶ
е»յɼе¿»գе»յɼ ͸¶ѺϽ𡢸Ƚ϶ٻá


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͸¶ѺϽ𡢸Ƚ϶ٻá зﴦʾԵЧãδȫƹ㡣ԴϵԵУڿһЩҵѾȥҹĿٳ
2ͭܶ(Ϊ7.83g/cm3}۵Ϊ1083ȣ޴ԡõĵ磬ܼʴԡͭչԡ
һˮôСĴͭɳϸ˿ѹӳɱȴļIJ
 ӱ˷Ͼʻ޹˾ԳΪͭչ˾حѹحϾɵ»حϾɵ»յ绰գƾܵķ񣬼ѸٷչӪҵɳķϾɽչɫ̻еϾɳ豸DZDZߵԼҵĿѹʵĻգسŵֽסȫݡ,ϸΪͻܡߵ绰ӭзϾʵĵλ̸ˡ
÷Ͼһ桢ݼɫ̣ԴϿɷΪϣԷпգɷпշϣԷпգָڼӹĹշϼϸƷпЩ޷ջأޡȼϡȵֱۣͭӦõǰϸѷźϸࡣֱͭӦþйռ򵥡豸򵥡ʸߡܺĵ͡ɱ͡Ⱦŵ㡣Ŀǰߵһࡢʸߵľ֮ͭ£Ͼɵ֮еľͭҪ͵ö࣬Ŀǰͭо༯ЩԴ֮еͭĻ֮ϡ

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2ҵ豸ࣺշϾɻ豸¯ˮů䶳豸յϵͳӦޡ豸һзϾ豸



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  4ҵࣺ߼ۻģ߸֡ϳģȸ½ϣϡǨϡϵߵ¡ˮůġܿۼŴϵȡ
߻յļ۸Ӱкܶ࣬Ϊµ࣬յʱῴ⼸Ҿҽһ¡1Ե࣬˵Ᵽ㣬ͨоȡ𽺡۵࣬۸ҲDzһ2߻ڱ㣬ͨо۱סǦס𽺱ס
ͭ;Щ1ͭĵ絼ʺȵʽ㷺硢ġͭڴˮijЩᣨϡҺᣨᡢᣩõʴԣڻѧҵ⣬ͭõĺԣɾ䡢ԼӹƳɸְƷͳƷ
(b)ֱ0.3mmϵ
3ֱࣺϵĴͭбпĴͭء㲿4ࣺ()ֱ0.1~0.3mmߣ(c)ӵߣ(c)ɾĻߡ
ûаѷϾɽѭÿԴӦҪԴҲκοɵǼǻվɼҵʾϼ·һȫұڣ IJҪ˹ɱܸߣͬʱҵĵdzԣÿµס׻ æƽʱ̫С ȥ6Ƴ񣬿ʹ˴γ10עԱﵽ2ȫзΧڹ387㣬ռӴﵽ47 Ϥʮ塱չ滮½ģΪ21.75 /գͬʮһ塱ĩ7.7/յĹģȽϣΪ28%
ʩ زȻҲע⣬п壬 ҵӳһǮǺ ƺ·ϾϾӪ10ˡգӳƷԱֻձƷƵơƿƷһŲա ԭ򣬵ļȾձֹۡ

ͬʱФij߱ǴľƷһ͹·һլΪӹѵ㣬ӶС˽ijƷƵġīСֿԱΪһû֤աȻڶǰԵ࣬ʵЧȴ⡣ҵ鲼;淶;ҵЭ֯ϻег˻;ɱҵЭԹ˾ٰ֯Ĵ͡չչʾᣬ

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