1. = ǹظ
2. Լ = 뷮/̿ü. Լ 0.05X1.2踦 ʵ ȹ
3. 0.05 ̿üɷ 2.85mm/hr
4. ̿üɷ (mm/hr) = 2.825mm/hr X (0.05) mm/hr=0.001m/hr