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Excellent and useful explanation I have a few questions, why don't we use 12 and 6 watch and a distance between the first and second 4in sensors, because we use a 4in flow tube with a few thanks.
Excellent and useful explanation I have a few questions, why don't we use 12 and 6 watch and a distance between the first and second 4in sensors, because we use a 4in flow tube with a few thanks.