A.250um
B.177 um
C.800 um
D.100 um
A.30~50t
B.50~1001
C.10-20r
D.1-10t
A.10-15m/s
B.3.0-5m/s
C.1.0-1.5m/s
D.0.15-0.2m/s
A.10-15m
B.15~20m
C.1~3m
D.3-5m
A.10~-20t
B.40-60t
C.20-40t
D.100-120t
A.80m
B.120m
C.300m
D.350m
A.80m
B.120m
C.300m
D.350m
A.109%-20%
B.20%-30%
C.60%-80%
D.80%-90%
A.10%~-20%
B.20%~30%
C.60%- 80%
D.80%-90%
A.100mg/kg
B.50mgkg
C.200mg/kg
D.500mgkg
A.0.2-0.6mgkg
B.1.1~1.5mgkg
C.0.01-0.02mgkg
D.0.1~0.2mgkg
A.0.24-0.25mgkg
B.0.14-0.15mg/kg
C.0.34-0.35mgkg
D.0.04- 0.05mgkg
A.选取10包采样
B.选取5~10包采样
C.选取2包采样
D.逐包采样
A.选取5包采样
B.选取S~10包采样
C.选取2包采样
D.逐包采样
A.不采样
B.选取5~10包采样
C.选取2包采样
D.逐包采样
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