【HVAC Version】Daily Question 20171106
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This post was last edited by hesonchang214 on 2017-12-15 at 15:50. Fill in the blank: The water supply pipes, chemical dosing pipes, overflow pipes, circulation pipes, and drain pipes for foot and waist disinfection in swimming pools should be made of (). Correct answer: Corrosion-resistant material
The water supply pipes, chemical dosing pipes, overflow pipes, circulation pipes, and drain pipes for foot and waist disinfection in swimming pools should be made of (corrosion-resistant materials).
The water supply pipes, chemical dosing pipes, overflow pipes, circulation pipes, and drain pipes for foot and waist disinfection in swimming pools should be made of (corrosion-resistant materials).