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【HVAC Version】Daily Question 20180507

2018-05-07View Original

Thread Content

What air cleanliness is intended to control is (). A. The maximum controlled particle diameter in the air B. The number of particles in the air C. The minimum controlled particle diameter and the number of particles in the air D. The minimum controlled particle diameter in the air Answer: B
Reply #22018-05-07
   B、Number of particles in the air
Reply #32018-05-07
C. Minimum controlled particle diameter and particle count in the air

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