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[单选题]
在可选性曲线中,查得精煤灰分为10.00%时,理论分选密度为1.42g/cm3,沉矸产率为11.6%,查得的δ±0.1含量为18.3%,则扣除沉矸的δ±0.1含量为()。
A.20.7%
B.13.5%
C.12.4%
D.21.2%
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.20.7%
B.13.5%
C.12.4%
D.21.2%
A.100%
B.68.5%
C.79.1%
D.30.0%
A.中等可选
B.难选
C.极易选
D.易选
A.≤10.0
B.20.1~30.0
C.10.1~20.0
D.30.1~40.0
A.30.1~40.0
B.20.1~30.0
C.≤10.0
D.10.1~20.0
A.≤10.0
B.20.1~30.0
C.10.1~20.0
D.>40.0
A.30.1~40.0
B.10.1~20.0
C.≤10.0
D.20.1~30.0
A.10.1~20.0
B.20.1~30.0
C.30.1~40.0
D.≤10.0