]FDYzΑB(ti)cc(din)˽
1]FDYzΑB(ti)]Ŀvƽֱ⻬ʈA
2]FDYzܶȣ]^ă(yu)c(din)|(zh)pܶȃH0.91g/cm3dzҊ(jin)W(xu)wSܶ^pƷN
3]FDYz(qing)ԣ]zď(qing)ȸL(zhng)ʼģ^ԃ(yu)Ա]ĥԺá]zĝ(qing)ڸɏ(qing)
ҹ˾a(chn)]FDYzw(yu)c(din)
1^pwSܶ^Сp40%Ȝ]p30%p(rn)
2ëůwSጧ(do)ϵ(sh)ǬF(xin)ȻwSϳwS^ʧ^
3ɫζȼѣԭҺȾɫɫζwSȾo(w)ȔMģ
]FDYz(yng): Эh(hun)|(zh)pͻW(xu)ԡ(do)ԵɫGȃ(yu)c(din),]FDYzҪFDYATYϡɸ(j)͑ҪӹNԱ]FDYz
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