单选题How many PPM of the oily water can be pumped out within 12 miles along the China coast line?（）.Aat least 15 PPMBabout 15 PPMCup to 15 PPMDno less than 15 PPM
单选题
How many PPM of the oily water can be pumped out within 12 miles along the China coast line?（）.
A
at least 15 PPM
B
about 15 PPM
C
up to 15 PPM
D
no less than 15 PPM
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