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[Engineering Version] Daily Question 20180107

2018-01-07View Original

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In water treatment plants, the number of sedimentation tanks and clarifiers, as well as the number of compartments that can be emptied separately, should generally not be less than (  ) ones.   A、2   B、3   C、4   D、5 Correct answer: A
Reply #22018-01-07
In water treatment plants, the number of sedimentation tanks and clarifiers, as well as the number of compartments that can be emptied separately, should generally not be less than (A) units.   A、2   B、3   C、4   D、5

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