19҂Կ@NF:܇R·Ͽ^Ժ.R·߅Ę~SLh.D11ʾ.^R·߅Ę~A.B.Cһh?Ո.f.(1):~ h.(2): |׾ƾֲܶ(g/m3)

 

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23҂Կ@NF܇R·Ͽ^ԺR·߅Ę~SLhӣDʾR·߅Ę~ABCһhӣՈ벢fɣ

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25҂Կ@NF܇R·Ͽ^ԺR·߅Ę~SLhӣDʾR·߅Ę~
A
xABCһhǿ܇ʹ܇Ŀ՚
󣨻׃󡱣

С׃С

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҂Կ@NF܇R·g^ԺR·߅Ę~·
hӣx߅߅롱Ոf
wԽĵطԽС
wԽĵطԽС

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҂Կ@NF܇R·Ͽ^ԺR·߅Ę~SLhӣDʾ^R·߅Ę~ABCһhՈ룬fɣ
1룺~
A
A

܇rR·gĿ՚ٴ՚≺Сԃ߅Ě≺Ͱј~g
܇rR·gĿ՚ٴ՚≺Сԃ߅Ě≺Ͱј~g

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҂Կ@NF܇R·Ͽ^ԺR·߅Ę~SLhӣDʾR·߅Ę~________(ABC)h,f:_____________________________

 

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