单项选择题
A.SS:50mg/L,CODCr:200mg/L,BOD5:50mg/LB.SS:40mg/L,CODCr:300mg/L,BOD5:20mg/LC.SS:30mg/L,CODCr:100mg/L,BOD5:30mg/LD.SS:30mg/L,CODCr:100mg/L,BOD5:50mg/L
A.本底井一眼,污染扩散井一眼,污染监视井一眼B.本底井一眼,污染扩散井一眼,污染监视井二眼C.本底井一眼,污染扩散井二眼,污染监视井二眼D.本底井二眼,污染扩散井二眼,污染监视井二眼
A.a层厚度0.8m,b层材料采用坚硬毛石B.a层厚度0.4m,b层材料采用粗砥性坚硬鹅卵石C.d层中天然材料厚度0.4m,e层倾斜度3%D.a层厚度0.8m,e层倾斜度1%