A.18kg
B.20kg
C.22kg
D.24kg
A.18kg
B.20kg
C.22kg
D.24kg
A.I级
B.II级
C.III级
D.IV级
A.39000吨
B.39500吨
C.39964吨
D.40200吨
A.0.05%
B.0.1%
C.0.2%
D.0.5%
A.700kg
B.720kg
C.740kg
D.760kg
A.50%
B.60%
C.66%
D.70%
A.3.33%
B.3.33%
C.2.50%
D.2.67%
A.4.00%
B.3.85%
C.4.25%
D.4.15%
A.9.6×10^3m^3/d
B.1.2×10^3m^3/d
C.1.4×10^3m^3/d
D.2.4×10^3m^3/d