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                Ϊʲô˵ǽװֵûǮĻڣ

                2020-07-06  : װβ޹˾ :278

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                ǽǵеǽװβϣǹԷijƷܷݵظıǽգʹḻִҾװκηκλزٵĻڡ

                ڹעҾƷʵǽװֵûǮĻڣû֮һ

                1

                ˢͿϵǽһҾͻпģرڱһЩijУ޷ǽDzܳǽ濪ѵģǽ ԡǽǿ ڸЧܽǽ塣


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                ǽԲرƽġǽ棬ϸСƵǽ涼и

                һˢɫͿϵǽһɫͻнϴ仯ǽvɫ ζȸߣнǿĿKɫȥ

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                ǽǷ֯Ʒгǿײܣһײ£ǽDzױ𺦵ġ

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                ƷǽѾ˷ˮ۵ȵմʹǽ ۣʹ˿ɨԷϴ

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                Ҫǽɷ£ֻ轫ǽֽǽ˺ȥƽͿˢĤԽɸ

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                ǽ޲ɫʷḻвͬʸͼװЧdzáЩǽġ͡ɫʸж÷dz ֻҪѡԼҡЧͳˡ൱ĸ߼רҵʦѼҵǽ档

                ǽķǧL򻯣ǷӵŷʽŵĿʽǿҪǽvļСޣǽзdz¡

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                ѡǽʱȻͬķ仨ɫһҪպ񣬾ͳһװ޷İһģ˵һƳŷʽŵ䣬һƳִԼЧԼҾӷѡ

                ǽôŵ㣬˵װֵûǮĻڣһ㶼Ϊ

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                һ.޷ǽè

                Ŀǰгǽ2.7m-3.2m˴ҵIJҪ󣬳ȿɸûǽܳãʩûнӷ죬ǽ˸й룬ƽ˳ȻһЧֱ˽ӷ촦ʹڶ̵ȱݡ

                Լҵǽѡʨ߶ȣǽǽҪǽ߲ſԡ

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                ÿǽijȣȻÿǽ10-20֣ΪʱвüҲһЩǽ治DZʡֱģһ䷿ӵܳҪǽ涼ҪǼ򵥵ijӿ

                šҾDzҪأǷ񶨵ģΪǽڷǴƴӻкԵĽӷ졣ҲšҾ߲λDzܼģǽռ - 綨¹񣩡

                ŴλòüǽֹƷҲɦءҾߵ¶װڼƯ

                ҪǽΪ5+3+3+5=16mÿǻҪԤ0.2mңʵԤ0.1-0.2mҪ16+0.2X4=16.8m

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                ǵλҪע⣬ҪֱĥƽǴƽǽббģӰӾЧ֤ɾƽǽǰ˻ǽˢһĤĤҪDZǽ桢̻ǽ桢ȥǽҳǽճĤɡ͸󣬼Ͻǽ

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