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ɫɫɫɫɫ붯,պŮϵ,BT

ϩ,͵ɫɫɫɫɫ붯,պŮϵ,BT(ʹ¶ȿɴ-70-100),

(1)


ѧȶԺ,ʹʴ(;ɫɫɫɫɫ붯,պŮϵ,BTʵ),²һܼ,ˮС,ԵϩڻӦ

(2)


(ѧе)Ǻеģϻɫɫɫɫɫ붯,պŮϵ,BTϩƷֶ죬Ҫȡڷӽṹܶȡòͬɵò

(1)


ͬܶ(0.910.96g/cm3IJɫɫɫɫɫ붯,պŮϵ,BTϩһϵijͷ(ϼӹ)ӹ

һPE;
һPE
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