Report copyright - 9 Voolamist reguleerivad ventiilidSele 9.4 - Takistuse ristlõikepindalad konstantse suurusega takistustele ∆p ×2 ρ 1 ξ l × 64 × ν v × dH 2 4 × A U d2 × π 4 d2 × π 4
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