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ߣhengke Դӱh(hun)Ƽ޹˾rg2020-03-25 22:59:57L
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LJXӱh(hun)Ƽ޹˾

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2]ʽsx~]ʽs2ϣøԾ۲ƬM͹ˮٷСܺã͸ߜ70͜-50ȣȼԺPVCбƬˮٷСܺã͸ߜ70ؓ͜50ȼLJXӱh(hun)Ƽ޹˾

3]ʽs35080%280Ҳf@350sһO(sh)Ӌrֻ280Ч 280ˮؽ5ȣ܎ߵğǣ280X1000X5X1=1400000ǧ\ Qǧߣ1400000X0.001163=1628ǧ Ч1:4.5Ӌ:a(chn)1628ǧߵğCM1628X4.5/5.5=1332ǧ Ҳf@350smb1332ǧߵˮCMȻҲbСcġLJXӱh(hun)Ƽ޹˾

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]ʽsrLJXӱh(hun)Ƽ޹˾

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